Commit Graph

648913 Commits

Author SHA1 Message Date
Quinn Tran 5f35509db1 qla2xxx: Terminate exchange if corrupted
Corrupted ATIO is defined as length of fcp_header & fcp_cmd
payload is less than 0x38. It's the minimum size for a frame to
carry 8..16 bytes SCSI CDB. The exchange will be dropped or
terminated if corrupted.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
[ bvanassche: Fixed spelling in patch title ]
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-17 11:26:56 -08:00
Quinn Tran fc1ffd6cb3 qla2xxx: Fix crash due to null pointer access
During code inspection, while investigating following stack trace
seen on one of the test setup, we found out there was possibility
of memory leak becuase driver was not unwinding the stack properly.

This issue has not been reproduced in a test environment or on a
customer setup.

Here's stack trace that was seen.

[1469877.797315] Call Trace:
[1469877.799940]  [<ffffffffa03ab6e9>] qla2x00_mem_alloc+0xb09/0x10c0 [qla2xxx]
[1469877.806980]  [<ffffffffa03ac50a>] qla2x00_probe_one+0x86a/0x1b50 [qla2xxx]
[1469877.814013]  [<ffffffff813b6d01>] ? __pm_runtime_resume+0x51/0xa0
[1469877.820265]  [<ffffffff8157c1f5>] ? _raw_spin_lock_irqsave+0x25/0x90
[1469877.826776]  [<ffffffff8157cd2d>] ? _raw_spin_unlock_irqrestore+0x6d/0x80
[1469877.833720]  [<ffffffff810741d1>] ? preempt_count_sub+0xb1/0x100
[1469877.839885]  [<ffffffff8157cd0c>] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[1469877.846830]  [<ffffffff81319b9c>] local_pci_probe+0x4c/0xb0
[1469877.852562]  [<ffffffff810741d1>] ? preempt_count_sub+0xb1/0x100
[1469877.858727]  [<ffffffff81319c89>] pci_call_probe+0x89/0xb0

Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
[ bvanassche: Fixed spelling in patch description ]
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-17 11:26:56 -08:00
Quinn Tran 8d3c9c2308 qla2xxx: Collect additional information to debug fw dump
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-17 11:26:55 -08:00
Himanshu Madhani c0f6462754 qla2xxx: Reset reserved field in firmware options to 0
During NVRAM initialization in target mode, reset reserved
fields in firmware options to Zero (BIT 15)

Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-17 11:26:54 -08:00
Himanshu Madhani 2a47c68529 qla2xxx: Set tcm_qla2xxx version to automatically track qla2xxx version
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-17 11:26:54 -08:00
Himanshu Madhani 1cbb91562d qla2xxx: Include ATIO queue in firmware dump when in target mode
Include ATIO queue for ISP27XX when firmware dump is collected
for target mode.

Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-17 11:26:53 -08:00
Quinn Tran bb1181c9a8 qla2xxx: Fix wrong IOCB type assumption
qlt_reset is called with Immedidate Notify IOCB only.
Current code wrongly cast it as ATIO IOCB.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-17 11:26:53 -08:00
Bart Van Assche 91f42b33e5 qla2xxx: Avoid that building with W=1 triggers complaints about set-but-not-used variables
Remove two set-but-not-used variables and avoid that the compiler
warns about a third variable (rc).

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Christoph Hellwig <hch@lst.de>
2017-01-17 11:26:47 -08:00
Bart Van Assche 61778a1c5a qla2xxx: Move two arrays from header files to .c files
This patch avoids that building with W=1 triggers compiler
warnings similar to the following:

drivers/scsi/qla2xxx/qla_nx2.h:538:23: warning: ‘qla8044_reg_tbl’ defined but not used [-Wunused-const-variable=]

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Christoph Hellwig <hch@lst.de>
2017-01-17 11:26:41 -08:00
Bart Van Assche ca825828a5 qla2xxx: Declare an array with file scope static
This patch avoids that building with W=1 triggers a compiler warning
about a missing declaration.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Christoph Hellwig <hch@lst.de>
2017-01-17 11:26:35 -08:00
Bart Van Assche c2a5d94ffd qla2xxx: Fix indentation
This patch avoids that smatch complains about inconsistent indentation.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Christoph Hellwig <hch@lst.de>
2017-01-17 11:26:18 -08:00
Johannes Thumshirn 8667f51595 scsi: lpfc: Set elsiocb contexts to NULL after freeing it
Set the elsiocb contexts to NULL after freeing as others depend on it.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-01-17 14:14:32 -05:00
Damien Le Moal 68af412c77 scsi: sd: Ignore zoned field for host-managed devices
There is no good match of the zoned field of the block device
characteristics page for host-managed devices. For these devices, the
zoning model is derived directly from the device type. So ignore the
zoned field for these drives.

[mkp: typo]

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-01-17 14:06:22 -05:00
Damien Le Moal 26f2819772 scsi: sd: Fix wrong DPOFUA disable in sd_read_cache_type
Zoned block devices force the use of READ/WRITE(16) commands by setting
sdkp->use_16_for_rw and clearing sdkp->use_10_for_rw. This result in
DPOFUA always being disabled for these drives as the assumed use of
the deprecated READ/WRITE(6) commands only looks at sdkp->use_10_for_rw.
Strenghten the test by also checking that sdkp->use_16_for_rw is false.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-01-17 14:05:02 -05:00
Johannes Thumshirn 4633773799 scsi: bfa: fix wrongly initialized variable in bfad_im_bsg_els_ct_request()
Commit 01e0e15c8b ("scsi: don't use fc_bsg_job::request and
fc_bsg_job::reply directly") introduced a typo, which causes that the
bsg_request variable in bfad_im_bsg_els_ct_request() is initialized to
itself instead of pointing to the bsg job's request.

Reported-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-01-17 14:03:32 -05:00
Ewan D. Milne 9373eba6cf scsi: ses: Fix SAS device detection in enclosure
The call to scsi_is_sas_rphy() needs to be made on the SAS end_device,
not on the SCSI device.

Fixes: 835831c57e ("ses: use scsi_is_sas_rphy instead of is_sas_attached")
Signed-off-by: Ewan D. Milne <emilne@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-01-17 13:58:57 -05:00
Larry Finger 5eb7c0d04f taint/module: Fix problems when out-of-kernel driver defines true or false
Commit 7fd8329ba5 ("taint/module: Clean up global and module taint
flags handling") used the key words true and false as character members
of a new struct. These names cause problems when out-of-kernel modules
such as VirtualBox include their own definitions of true and false.

Fixes: 7fd8329ba5 ("taint/module: Clean up global and module taint flags handling")
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Reported-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Jessica Yu <jeyu@redhat.com>
2017-01-17 10:56:45 -08:00
Mark Brown 52cc720c56 Merge remote-tracking branch 'spi/fix/sh-msiof' into spi-linus 2017-01-17 18:48:13 +00:00
Mark Brown 3f95ba38e4 Merge remote-tracking branches 'spi/fix/armada', 'spi/fix/axi', 'spi/fix/davinci', 'spi/fix/dw', 'spi/fix/fsl-dspi' and 'spi/fix/pxa2xx' into spi-linus 2017-01-17 18:48:11 +00:00
Bryant G. Ly a5b0e4062f ibmvscsis: Fix sleeping in interrupt context
Currently, dma_alloc_coherent is being called with a GFP_KERNEL
flag which allows it to sleep in an interrupt context, need to
change to GFP_ATOMIC.

Cc: stable@vger.kernel.org
Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com>
Reviewed-by: Michael Cyr <mikecyr@linux.vnet.ibm.com>
Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-17 09:42:29 -08:00
Bryant G. Ly 387b978cb0 ibmvscsis: Fix max transfer length
Current code incorrectly calculates the max transfer length, since
it is assuming a 4k page table, but ppc64 all run on 64k page tables.

Cc: stable@vger.kernel.org
Reported-by: Steven Royer <seroyer@linux.vnet.ibm.com>
Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com>
Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-17 09:42:19 -08:00
Linus Torvalds 4b19a9e20b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Handle multicast packets properly in fast-RX path of mac80211, from
    Johannes Berg.

 2) Because of a logic bug, the user can't actually force SW
    checksumming on r8152 devices. This makes diagnosis of hw
    checksumming bugs really annoying. Fix from Hayes Wang.

 3) VXLAN route lookup does not take the source and destination ports
    into account, which means IPSEC policies cannot be matched properly.
    Fix from Martynas Pumputis.

 4) Do proper RCU locking in netvsc callbacks, from Stephen Hemminger.

 5) Fix SKB leaks in mlxsw driver, from Arkadi Sharshevsky.

 6) If lwtunnel_fill_encap() fails, we do not abort the netlink message
    construction properly in fib_dump_info(), from David Ahern.

 7) Do not use kernel stack for DMA buffers in atusb driver, from Stefan
    Schmidt.

 8) Openvswitch conntack actions need to maintain a correct checksum,
    fix from Lance Richardson.

 9) ax25_disconnect() is missing a check for ax25->sk being NULL, in
    fact it already checks this, but not in all of the necessary spots.
    Fix from Basil Gunn.

10) Action GET operations in the packet scheduler can erroneously bump
    the reference count of the entry, making it unreleasable. Fix from
    Jamal Hadi Salim. Jamal gives a great set of example command lines
    that trigger this in the commit message.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (46 commits)
  net sched actions: fix refcnt when GETing of action after bind
  net/mlx4_core: Eliminate warning messages for SRQ_LIMIT under SRIOV
  net/mlx4_core: Fix when to save some qp context flags for dynamic VST to VGT transitions
  net/mlx4_core: Fix racy CQ (Completion Queue) free
  net: stmmac: don't use netdev_[dbg, info, ..] before net_device is registered
  net/mlx5e: Fix a -Wmaybe-uninitialized warning
  ax25: Fix segfault after sock connection timeout
  bpf: rework prog_digest into prog_tag
  tipc: allocate user memory with GFP_KERNEL flag
  net: phy: dp83867: allow RGMII_TXID/RGMII_RXID interface types
  ip6_tunnel: Account for tunnel header in tunnel MTU
  mld: do not remove mld souce list info when set link down
  be2net: fix MAC addr setting on privileged BE3 VFs
  be2net: don't delete MAC on close on unprivileged BE3 VFs
  be2net: fix status check in be_cmd_pmac_add()
  cpmac: remove hopeless #warning
  ravb: do not use zero-length alignment DMA descriptor
  mlx4: do not call napi_schedule() without care
  openvswitch: maintain correct checksum state in conntrack actions
  tcp: fix tcp_fastopen unaligned access complaints on sparc
  ...
2017-01-17 09:33:10 -08:00
Linus Torvalds 203f80f1c4 Merge branch 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
Pull swiotlb fix from Konrad Rzeszutek Wilk:
 "A tiny fix to make sure that page-sized mappings are page-aligned (and
  not say straddle two pages). This is important for some drivers (such
  as NVME)"

* 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
  swiotlb: ensure that page-sized mappings are page-aligned
2017-01-17 09:27:50 -08:00
Linus Torvalds 7e84b30355 MMC core:
- Fix regressions detecting HS/HS DDR eMMC cards related to CMD6
 
 MMC host:
  - mmc: mxs-mmc: Fix additional cycles after transmission stop
  - sdhci-acpi: Only powered up enabled acpi child devices
  - meson: avoid possible NULL dereference
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Merge tag 'mmc-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:
 "MMC core:
   - fix regressions detecting HS/HS DDR eMMC cards related to CMD6

  MMC host:
   - mmc: mxs-mmc: Fix additional cycles after transmission stop
   - sdhci-acpi: Only powered up enabled acpi child devices
   - meson: avoid possible NULL dereference"

* tag 'mmc-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: core: Restore parts of the polling policy when switch to HS/HS DDR
  mmc: mxs-mmc: Fix additional cycles after transmission stop
  mmc: sdhci-acpi: Only powered up enabled acpi child devices
  MMC: meson: avoid possible NULL dereference
2017-01-17 09:08:19 -08:00
Linus Torvalds 7d8b8c09d7 MTD fixes for 4.10
Just NAND updates from Boris:
 "   - Forbid compiling xway NAND controller driver as a module
     - Fix tango NAND DT binding and make sure the controller is in a clean
       state at probe time
     - Add dependency on HAS_IOMEM to the oxnas NAND driver
     - Fix irq number validity check in the lpc32xx driver
 "
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Merge tag 'for-linus-20170116' of git://git.infradead.org/linux-mtd

Pull MTD fixes from Brian Norris:
 "Just NAND updates from Boris:

   - avoid compiling xway NAND controller driver as a module (which
     didn't work)

   - fix tango NAND DT binding and make sure the controller is in a
     clean state at probe time

   - add dependency on HAS_IOMEM to the oxnas NAND driver

   - fix irq number validity check in the lpc32xx driver"

* tag 'for-linus-20170116' of git://git.infradead.org/linux-mtd:
  mtd: nand: lpc32xx: fix invalid error handling of a requested irq
  mtd: nand: tango: Reset pbus to raw mode in probe
  mtd: nand: tango: Update DT binding description
  mtd: nand: oxnas_nand: fix build errors on arch/um, require HAS_IOMEM
  mtd: nand: xway: fix build because of module functions
  mtd: nand: xway: disable module support
2017-01-17 08:50:59 -08:00
Ingo Molnar 31f5260a76 perf/urgent 'perf probe' fixes:
Fixes:
 
 - Show correct locations for 'perf probe' on modules (Masami Hiramatsu)
 
 - Correctly handle 'perf probe's on gcc generated functions in modules (Masami Hiramatsu)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-4.10-20170117' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull 'perf probe' fixes from Arnaldo Carvalho de Melo <acme@redhat.com>

  - Show correct locations for 'perf probe' on modules (Masami Hiramatsu)

  - Correctly handle 'perf probe's on GCC generated functions in modules (Masami Hiramatsu)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-01-17 17:03:16 +01:00
Marc Zyngier 4d191b1b63 PCI/MSI: pci-xgene-msi: Fix CPU hotplug registration handling
The conversion to the new hotplug state machine introduced a regression
where a successful hotplug registration would be treated as an error,
effectively disabling the MSI driver forever.

Fix it by doing the proper check on the return value.

Fixes: 9c248f8896 ("PCI/xgene-msi: Convert to hotplug state machine")
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Duc Dang <dhdang@apm.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: stable@vger.kernel.org
2017-01-17 08:41:51 -06:00
Dmitry Vyukov ce2e852ecc KVM: x86: fix fixing of hypercalls
emulator_fix_hypercall() replaces hypercall with vmcall instruction,
but it does not handle GP exception properly when writes the new instruction.
It can return X86EMUL_PROPAGATE_FAULT without setting exception information.
This leads to incorrect emulation and triggers
WARN_ON(ctxt->exception.vector > 0x1f) in x86_emulate_insn()
as discovered by syzkaller fuzzer:

WARNING: CPU: 2 PID: 18646 at arch/x86/kvm/emulate.c:5558
Call Trace:
 warn_slowpath_null+0x2c/0x40 kernel/panic.c:582
 x86_emulate_insn+0x16a5/0x4090 arch/x86/kvm/emulate.c:5572
 x86_emulate_instruction+0x403/0x1cc0 arch/x86/kvm/x86.c:5618
 emulate_instruction arch/x86/include/asm/kvm_host.h:1127 [inline]
 handle_exception+0x594/0xfd0 arch/x86/kvm/vmx.c:5762
 vmx_handle_exit+0x2b7/0x38b0 arch/x86/kvm/vmx.c:8625
 vcpu_enter_guest arch/x86/kvm/x86.c:6888 [inline]
 vcpu_run arch/x86/kvm/x86.c:6947 [inline]

Set exception information when write in emulator_fix_hypercall() fails.

Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Cc: kvm@vger.kernel.org
Cc: syzkaller@googlegroups.com
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2017-01-17 15:06:05 +01:00
Radim Krčmář 1b1973ef9a KVM/ARM updates for 4.10-rc4
- Fix for timer setup on VHE machines
 - Drop spurious warning when the timer races against
   the vcpu running again
 - Prevent a vgic deadlock when the initialization fails
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Merge tag 'kvm-arm-for-4.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm

KVM/ARM updates for 4.10-rc4

- Fix for timer setup on VHE machines
- Drop spurious warning when the timer races against
  the vcpu running again
- Prevent a vgic deadlock when the initialization fails
2017-01-17 15:04:59 +01:00
Richard Weinberger 1cb51a15b5 ubifs: Fix journal replay wrt. xattr nodes
When replaying the journal it can happen that a journal entry points to
a garbage collected node.
This is the case when a power-cut occurred between a garbage collect run
and a commit. In such a case nodes have to be read using the failable
read functions to detect whether the found node matches what we expect.

One corner case was forgotten, when the journal contains an entry to
remove an inode all xattrs have to be removed too. UBIFS models xattr
like directory entries, so the TNC code iterates over
all xattrs of the inode and removes them too. This code re-uses the
functions for walking directories and calls ubifs_tnc_next_ent().
ubifs_tnc_next_ent() expects to be used only after the journal and
aborts when a node does not match the expected result. This behavior can
render an UBIFS volume unmountable after a power-cut when xattrs are
used.

Fix this issue by using failable read functions in ubifs_tnc_next_ent()
too when replaying the journal.
Cc: stable@vger.kernel.org
Fixes: 1e51764a3c ("UBIFS: add new flash file system")
Reported-by: Rock Lee <rockdotlee@gmail.com>
Reviewed-by: David Gstir <david@sigma-star.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
2017-01-17 14:35:58 +01:00
Eric Biggers 3d4b2fcbc9 ubifs: remove redundant checks for encryption key
In several places, ubifs checked for an encryption key before creating a
file in an encrypted directory.  This was redundant with
fscrypt_setup_filename() or ubifs_new_inode(), and in the case of
ubifs_link() it broke linking to special files.  So remove the extra
checks.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2017-01-17 14:34:21 +01:00
Eric Biggers a75467d910 ubifs: allow encryption ioctls in compat mode
The ubifs encryption ioctls did not work when called by a 32-bit program
on a 64-bit kernel.  Since 'struct fscrypt_policy' is not affected by
the word size, ubifs just needs to allow these ioctls through, like what
ext4 and f2fs do.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2017-01-17 14:33:41 +01:00
Arnd Bergmann 404e0b6331 ubifs: add CONFIG_BLOCK dependency for encryption
This came up during the v4.10 merge window:

warning: (UBIFS_FS_ENCRYPTION) selects FS_ENCRYPTION which has unmet direct dependencies (BLOCK)
fs/crypto/crypto.c: In function 'fscrypt_zeroout_range':
fs/crypto/crypto.c:355:9: error: implicit declaration of function 'bio_alloc';did you mean 'd_alloc'? [-Werror=implicit-function-declaration]
   bio = bio_alloc(GFP_NOWAIT, 1);

The easiest way out is to limit UBIFS_FS_ENCRYPTION to configurations
that also enable BLOCK.

Fixes: d475a50745 ("ubifs: Add skeleton for fscrypto")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
2017-01-17 14:32:47 +01:00
Peter Rosin 507502adf0 ubifs: fix unencrypted journal write
Without this, I get the following on reboot:

UBIFS error (ubi1:0 pid 703): ubifs_load_znode: bad target node (type 1) length (8240)
UBIFS error (ubi1:0 pid 703): ubifs_load_znode: have to be in range of 48-4144
UBIFS error (ubi1:0 pid 703): ubifs_load_znode: bad indexing node at LEB 13:11080, error 5
 magic          0x6101831
 crc            0xb1cb246f
 node_type      9 (indexing node)
 group_type     0 (no node group)
 sqnum          546
 len            128
 child_cnt      5
 level          0
 Branches:
 0: LEB 14:72088 len 161 key (133, inode)
 1: LEB 14:81120 len 160 key (134, inode)
 2: LEB 20:26624 len 8240 key (134, data, 0)
 3: LEB 14:81280 len 160 key (135, inode)
 4: LEB 20:34864 len 8240 key (135, data, 0)
UBIFS warning (ubi1:0 pid 703): ubifs_ro_mode.part.0: switched to read-only mode, error -22
CPU: 0 PID: 703 Comm: mount Not tainted 4.9.0-next-20161213+ #1197
Hardware name: Atmel SAMA5
[<c010d2ac>] (unwind_backtrace) from [<c010b250>] (show_stack+0x10/0x14)
[<c010b250>] (show_stack) from [<c024df94>] (ubifs_jnl_update+0x2e8/0x614)
[<c024df94>] (ubifs_jnl_update) from [<c0254bf8>] (ubifs_mkdir+0x160/0x204)
[<c0254bf8>] (ubifs_mkdir) from [<c01a6030>] (vfs_mkdir+0xb0/0x104)
[<c01a6030>] (vfs_mkdir) from [<c0286070>] (ovl_create_real+0x118/0x248)
[<c0286070>] (ovl_create_real) from [<c0283ed4>] (ovl_fill_super+0x994/0xaf4)
[<c0283ed4>] (ovl_fill_super) from [<c019c394>] (mount_nodev+0x44/0x9c)
[<c019c394>] (mount_nodev) from [<c019c4ac>] (mount_fs+0x14/0xa4)
[<c019c4ac>] (mount_fs) from [<c01b5338>] (vfs_kern_mount+0x4c/0xd4)
[<c01b5338>] (vfs_kern_mount) from [<c01b6b80>] (do_mount+0x154/0xac8)
[<c01b6b80>] (do_mount) from [<c01b782c>] (SyS_mount+0x74/0x9c)
[<c01b782c>] (SyS_mount) from [<c0107f80>] (ret_fast_syscall+0x0/0x3c)
UBIFS error (ubi1:0 pid 703): ubifs_mkdir: cannot create directory, error -22
overlayfs: failed to create directory /mnt/ovl/work/work (errno: 22); mounting read-only

Fixes: 7799953b34 ("ubifs: Implement encrypt/decrypt for all IO")
Signed-off-by: Peter Rosin <peda@axentia.se>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2017-01-17 14:05:23 +01:00
Colin Ian King e8f19746e4 ubifs: ensure zero err is returned on successful return
err is no longer being set on a successful return path, causing
a garbage value being returned. Fix this by setting err to zero
for the successful return path.

Found with static analysis by CoverityScan, CID 1389473

Fixes: 7799953b34 ("ubifs: Implement encrypt/decrypt for all IO")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2017-01-17 13:57:32 +01:00
Alexander Graf 524dabe1c6 arm64: Fix swiotlb fallback allocation
Commit b67a8b29df introduced logic to skip swiotlb allocation when all memory
is DMA accessible anyway.

While this is a great idea, __dma_alloc still calls swiotlb code unconditionally
to allocate memory when there is no CMA memory available. The swiotlb code is
called to ensure that we at least try get_free_pages().

Without initialization, swiotlb allocation code tries to access io_tlb_list
which is NULL. That results in a stack trace like this:

  Unable to handle kernel NULL pointer dereference at virtual address 00000000
  [...]
  [<ffff00000845b908>] swiotlb_tbl_map_single+0xd0/0x2b0
  [<ffff00000845be94>] swiotlb_alloc_coherent+0x10c/0x198
  [<ffff000008099dc0>] __dma_alloc+0x68/0x1a8
  [<ffff000000a1b410>] drm_gem_cma_create+0x98/0x108 [drm]
  [<ffff000000abcaac>] drm_fbdev_cma_create_with_funcs+0xbc/0x368 [drm_kms_helper]
  [<ffff000000abcd84>] drm_fbdev_cma_create+0x2c/0x40 [drm_kms_helper]
  [<ffff000000abc040>] drm_fb_helper_initial_config+0x238/0x410 [drm_kms_helper]
  [<ffff000000abce88>] drm_fbdev_cma_init_with_funcs+0x98/0x160 [drm_kms_helper]
  [<ffff000000abcf90>] drm_fbdev_cma_init+0x40/0x58 [drm_kms_helper]
  [<ffff000000b47980>] vc4_kms_load+0x90/0xf0 [vc4]
  [<ffff000000b46a94>] vc4_drm_bind+0xec/0x168 [vc4]
  [...]

Thankfully swiotlb code just learned how to not do allocations with the FORCE_NO
option. This patch configures the swiotlb code to use that if we decide not to
initialize the swiotlb framework.

Fixes: b67a8b29df ("arm64: mm: only initialize swiotlb when necessary")
Signed-off-by: Alexander Graf <agraf@suse.de>
CC: Jisheng Zhang <jszhang@marvell.com>
CC: Geert Uytterhoeven <geert+renesas@glider.be>
CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2017-01-17 11:48:11 +00:00
Zhou Chengming 4e71de7986 perf/x86/intel: Handle exclusive threadid correctly on CPU hotplug
The CPU hotplug function intel_pmu_cpu_starting() sets
cpu_hw_events.excl_thread_id unconditionally to 1 when the shared exclusive
counters data structure is already availabe for the sibling thread.

This works during the boot process because the first sibling gets threadid
0 assigned and the second sibling which shares the data structure gets 1.

But when the first thread of the core is offlined and onlined again it
shares the data structure with the second thread and gets exclusive thread
id 1 assigned as well.

Prevent this by checking the threadid of the already online thread.

[ tglx: Rewrote changelog ]

Signed-off-by: Zhou Chengming <zhouchengming1@huawei.com>
Cc: NuoHan Qiao <qiaonuohan@huawei.com>
Cc: ak@linux.intel.com
Cc: peterz@infradead.org
Cc: kan.liang@intel.com
Cc: dave.hansen@linux.intel.com
Cc: eranian@google.com
Cc: qiaonuohan@huawei.com
Cc: davidcc@google.com
Cc: guohanjun@huawei.com
Link: http://lkml.kernel.org/r/1484536871-3131-1-git-send-email-zhouchengming1@huawei.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---					---
 arch/x86/events/intel/core.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
2017-01-17 11:08:36 +01:00
Greg Kroah-Hartman 833674a45e usb: fixes for v4.10-rc5
One memory leak fix on the atmel UDC. Several fixes for dwc2. A fix on
 composite.c to use usb_ep_free_request() when freeing struct
 usb_request.
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Merge tag 'fixes-for-v4.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus

Felipe writes:

usb: fixes for v4.10-rc5

One memory leak fix on the atmel UDC. Several fixes for dwc2. A fix on
composite.c to use usb_ep_free_request() when freeing struct
usb_request.
2017-01-17 10:34:44 +01:00
Joonyoung Shim bc7c36eedb clocksource/exynos_mct: Clear interrupt when cpu is shut down
When a CPU goes offline a potentially pending timer interrupt is not
cleared. When the CPU comes online again then the pending interrupt is
delivered before the per cpu clockevent device is initialized. As a
consequence the tick interrupt handler dereferences a NULL pointer.

[   51.251378] Unable to handle kernel NULL pointer dereference at virtual address 00000040
[   51.289348] task: ee942d00 task.stack: ee960000
[   51.293861] PC is at tick_periodic+0x38/0xb0
[   51.298102] LR is at tick_handle_periodic+0x1c/0x90

Clear the pending interrupt in the cpu dying path.

Fixes: 56a94f1391 ("clocksource: exynos_mct: Avoid blocking calls in the cpu hotplug notifier")
Reported-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: linux-samsung-soc@vger.kernel.org
Cc: cw00.choi@samsung.com
Cc: daniel.lezcano@linaro.org
Cc: stable@vger.kernel.org
Cc: javier@osg.samsung.com
Cc: kgene@kernel.org
Cc: krzk@kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1484628876-22065-1-git-send-email-jy0922.shim@samsung.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2017-01-17 10:08:38 +01:00
Zhang Rui 6c75a5d113 Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal into thermal-soc 2017-01-17 15:51:21 +08:00
Olof Johansson 941d3156e9 A single PM fix from Arnd
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Merge tag 'ux500-fix-for-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into fixes

A single PM fix from Arnd

* tag 'ux500-fix-for-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: fix prcmu_is_cpu_in_wfi() calculation

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-16 22:25:55 -08:00
Olof Johansson dcde6b16eb This pull request contains Broadcom ARM-based SoC Device Tree fixes for v4.10, please
pull the following:
 
 - Jon fixes an invalid value for the "ranges" property of the bus nodes on NorthStar
   Plus SoCs
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Merge tag 'arm-soc/for-4.10/devicetree-fixes' of http://github.com/Broadcom/stblinux into fixes

This pull request contains Broadcom ARM-based SoC Device Tree fixes for v4.10, please
pull the following:

- Jon fixes an invalid value for the "ranges" property of the bus nodes on NorthStar
  Plus SoCs

* tag 'arm-soc/for-4.10/devicetree-fixes' of http://github.com/Broadcom/stblinux:
  ARM: dts: NSP: Fix DT ranges error

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-16 22:09:05 -08:00
Olof Johansson e577969aee This pull request contains fixes to multi_v7_defconfig for Broadcom ARM-based
SoCs, please pull the following changes:
 
 - Valenting fixes two incorrect Kconfig symbols for BCM47xx: NVRAM and watchdog drivers
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Merge tag 'arm-soc/for-4.10/defconfig-fixes' of http://github.com/Broadcom/stblinux into fixes

This pull request contains fixes to multi_v7_defconfig for Broadcom ARM-based
SoCs, please pull the following changes:

- Valenting fixes two incorrect Kconfig symbols for BCM47xx: NVRAM and watchdog drivers

* tag 'arm-soc/for-4.10/defconfig-fixes' of http://github.com/Broadcom/stblinux:
  ARM: multi_v7_defconfig: set bcm47xx watchdog
  ARM: multi_v7_defconfig: fix config typo

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-16 22:07:31 -08:00
Olof Johansson 9fab907f3d Samsung fixes for v4.10:
1. Update maintainers entry with Patchwork address.
 2. Fix invalid values for NF_CT_PROTO_* in s3c2410 defconfig (these options
    cannot be modules anymore).
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Merge tag 'samsung-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into fixes

Samsung fixes for v4.10:
1. Update maintainers entry with Patchwork address.
2. Fix invalid values for NF_CT_PROTO_* in s3c2410 defconfig (these options
   cannot be modules anymore).

* tag 'samsung-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: s3c2410_defconfig: Fix invalid values for NF_CT_PROTO_*
  MAINTAINERS: Add Patchwork URL to Samsung Exynos entry

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-16 21:46:42 -08:00
Olof Johansson 927867a4b7 Allwinner fixes for 4.10
A few fixes here and there to enable the build of some DT leftover, prevent
 display issues or setup a proper muxing.
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Merge tag 'sunxi-fixes-for-4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into fixes

Allwinner fixes for 4.10

A few fixes here and there to enable the build of some DT leftover, prevent
display issues or setup a proper muxing.

* tag 'sunxi-fixes-for-4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  ARM: dts: sunxi: Change node name for pwrseq pin on Olinuxino-lime2-emmc
  ARM: dts: sun8i: Support DTB build for NanoPi M1
  ARM: dts: sun6i: hummingbird: Enable display engine again
  ARM: dts: sun6i: Disable display pipeline by default

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-16 21:45:54 -08:00
Olof Johansson a11f4706d1 i.MX fixes for 4.10, 2nd round:
- A couple of Nitrogen6 device tree fixes for audio codec probe
    failure, which is caused by that pinctrl setting for codec clock
    was not in the correct device node.
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Merge tag 'imx-fixes-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

i.MX fixes for 4.10, 2nd round:
 - A couple of Nitrogen6 device tree fixes for audio codec probe
   failure, which is caused by that pinctrl setting for codec clock
   was not in the correct device node.

* tag 'imx-fixes-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx6qdl-nitrogen6_som2: fix sgtl5000 pinctrl init
  ARM: dts: imx6qdl-nitrogen6_max: fix sgtl5000 pinctrl init

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-16 21:44:56 -08:00
Caesar Wang db8318865e thermal: rockchip: fixes the conversion table
As Ayaka reported the thermal was abormal on rk3288 at booting time.
thermal thermal_zone1: critical temperature reached(125 C),shutting down
thermal thermal_zone2: critical temperature reached(125 C),shutting down
thermal thermal_zone1: critical temperature reached(125 C),shutting down
thermal thermal_zone2: critical temperature reached(125 C),shutting down
...
The root caused by reading the invald analogic value, the value is zero
will convert the 125 degree to trigger the critical temperature.
Fixes it with insteading of the incorrect reading now.

Fixes commit cadf29dc2a
("thermal: rockchip: optimize the conversion table")

Reported-by: ayaka <ayaka@soulik.info>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2017-01-16 20:30:49 -08:00
Benjamin Herrenschmidt 9728a7c8ab powerpc/icp-opal: Fix missing KVM case and harden replay
The icp-opal call is missing the code from icp-native to recover
interrupts snatched by KVM. Without that, when running KVM, we can
get into a situation where an interrupt is lost and the CPU stuck
with an elevated CPPR.

Also harden replay by always checking the return from opal_int_eoi().

Fixes: d74361881f ("powerpc/xics: Add ICP OPAL backend")
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-01-17 11:50:03 +11:00
Jamal Hadi Salim 0faa9cb5b3 net sched actions: fix refcnt when GETing of action after bind
Demonstrating the issue:

.. add a drop action
$sudo $TC actions add action drop index 10

.. retrieve it
$ sudo $TC -s actions get action gact index 10

	action order 1: gact action drop
	 random type none pass val 0
	 index 10 ref 2 bind 0 installed 29 sec used 29 sec
 	Action statistics:
	Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
	backlog 0b 0p requeues 0

... bug 1 above: reference is two.
    Reference is actually 1 but we forget to subtract 1.

... do a GET again and we see the same issue
    try a few times and nothing changes
~$ sudo $TC -s actions get action gact index 10

	action order 1: gact action drop
	 random type none pass val 0
	 index 10 ref 2 bind 0 installed 31 sec used 31 sec
 	Action statistics:
	Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
	backlog 0b 0p requeues 0

... lets try to bind the action to a filter..
$ sudo $TC qdisc add dev lo ingress
$ sudo $TC filter add dev lo parent ffff: protocol ip prio 1 \
  u32 match ip dst 127.0.0.1/32 flowid 1:1 action gact index 10

... and now a few GETs:
$ sudo $TC -s actions get action gact index 10

	action order 1: gact action drop
	 random type none pass val 0
	 index 10 ref 3 bind 1 installed 204 sec used 204 sec
 	Action statistics:
	Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
	backlog 0b 0p requeues 0

$ sudo $TC -s actions get action gact index 10

	action order 1: gact action drop
	 random type none pass val 0
	 index 10 ref 4 bind 1 installed 206 sec used 206 sec
 	Action statistics:
	Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
	backlog 0b 0p requeues 0

$ sudo $TC -s actions get action gact index 10

	action order 1: gact action drop
	 random type none pass val 0
	 index 10 ref 5 bind 1 installed 235 sec used 235 sec
 	Action statistics:
	Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
	backlog 0b 0p requeues 0

.... as can be observed the reference count keeps going up.

After the fix

$ sudo $TC actions add action drop index 10
$ sudo $TC -s actions get action gact index 10

	action order 1: gact action drop
	 random type none pass val 0
	 index 10 ref 1 bind 0 installed 4 sec used 4 sec
 	Action statistics:
	Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
	backlog 0b 0p requeues 0

$ sudo $TC -s actions get action gact index 10

	action order 1: gact action drop
	 random type none pass val 0
	 index 10 ref 1 bind 0 installed 6 sec used 6 sec
 	Action statistics:
	Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
	backlog 0b 0p requeues 0

$ sudo $TC qdisc add dev lo ingress
$ sudo $TC filter add dev lo parent ffff: protocol ip prio 1 \
  u32 match ip dst 127.0.0.1/32 flowid 1:1 action gact index 10

$ sudo $TC -s actions get action gact index 10

	action order 1: gact action drop
	 random type none pass val 0
	 index 10 ref 2 bind 1 installed 32 sec used 32 sec
 	Action statistics:
	Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
	backlog 0b 0p requeues 0

$ sudo $TC -s actions get action gact index 10

	action order 1: gact action drop
	 random type none pass val 0
	 index 10 ref 2 bind 1 installed 33 sec used 33 sec
 	Action statistics:
	Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
	backlog 0b 0p requeues 0

Fixes: aecc5cefc3 ("net sched actions: fix GETing actions")
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-16 19:43:19 -05:00
Reza Arbab 32b53c012e powerpc/mm: Fix memory hotplug BUG() on radix
Memory hotplug is leading to hash page table calls, even on radix:

  arch_add_memory
    create_section_mapping
      htab_bolt_mapping
        BUG_ON(!ppc_md.hpte_insert);

To fix, refactor {create,remove}_section_mapping() into hash__ and
radix__ variants. Leave the radix versions stubbed for now.

Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-01-17 10:05:43 +11:00