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OpenCloudOS-Kernel
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Guenter Roeck 7aeef1548a hwmon: (lm90) Fix error return value from detect function 
lm90_detect_nuvoton() is supposed to return NULL if it can not detect
a chip, or a pointer to the chip name if it does. Under some circumstances
it returns an error pointer instead. Some versions of gcc interpret an
ERR_PTR as region of size 0 and generate an error message.

  In function ‘__fortify_strlen’,
      inlined from ‘strlcpy’ at ./include/linux/fortify-string.h:159:10,
      inlined from ‘lm90_detect’ at drivers/hwmon/lm90.c:2550:2:
  ./include/linux/fortify-string.h:50:33: error:
      ‘__builtin_strlen’ reading 1 or more bytes from a region of size 0
     50 | #define __underlying_strlen     __builtin_strlen
        |                                 ^
  ./include/linux/fortify-string.h:141:24: note:
      in expansion of macro ‘__underlying_strlen’
    141 |                 return __underlying_strlen(p);
        |                        ^~~~~~~~~~~~~~~~~~~

Returning NULL instead of ERR_PTR() fixes the problem.

Fixes: c7cebce984 ("hwmon: (lm90) Rework detect function")
Reported-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Kees Cook <keescook@chromium.org>
Tested-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 		2022-08-10 00:49:46 -07:00
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accessibility TTY / Serial driver changes for 6.0-rc1 2022-08-08 11:31:40 -07:00
acpi IOMMU Updates for Linux v5.20/v6.0: 2022-08-06 10:42:38 -07:00
amba ARM: 9220/1: amba: Remove deferred device addition 2022-07-28 15:09:23 +01:00
android - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
ata powerpc updates for 6.0 2022-08-06 16:38:17 -07:00
atm
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auxdisplay
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base Driver core / kernfs changes for 6.0-rc1 2022-08-04 11:31:20 -07:00
bcma
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block - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
bluetooth SPDX changes for 6.0-rc1 2022-08-04 12:12:54 -07:00
bus SPDX changes for 6.0-rc1 2022-08-04 12:12:54 -07:00
cdrom
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char s390 updates for 5.20 merge window 2022-08-06 17:05:21 -07:00
clk The clk core gains a new set of APIs that allow drivers to both acquire clks 2022-08-04 18:40:08 -07:00
clocksource RISC-V Patches for the 5.20 Merge Window, Part 1 2022-08-06 15:04:48 -07:00
comedi pci-v5.20-changes 2022-08-04 19:30:35 -07:00
connector
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counter
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cpufreq More power management updates for 5.20-rc1 2022-08-08 14:29:00 -07:00
cpuidle More power management updates for 5.20-rc1 2022-08-08 14:29:00 -07:00
crypto This update includes the following changes: 2022-08-02 17:45:14 -07:00
cxl
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dax
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dca
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devfreq More power management updates for 5.20-rc1 2022-08-08 14:29:00 -07:00
dio
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dma pci-v5.20-changes 2022-08-04 19:30:35 -07:00
dma-buf drm for 5.20/6.0 2022-08-03 19:52:08 -07:00
edac powerpc updates for 6.0 2022-08-06 16:38:17 -07:00
eisa
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extcon
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firewire firewire: net: Make use of get_unaligned_be48(), put_unaligned_be48() 2022-07-28 22:21:54 -07:00
firmware RISC-V Patches for the 5.20 Merge Window, Part 1 2022-08-06 15:04:48 -07:00
fpga
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fsi
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gnss
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gpio gpio: updates for v6.0-rc1 2022-08-04 18:34:05 -07:00
gpu More power management updates for 5.20-rc1 2022-08-08 14:29:00 -07:00
greybus
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hid platform-drivers-x86 for v6.0-1 2022-08-04 18:19:14 -07:00
hsi
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hte
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hv
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hwmon hwmon: (lm90) Fix error return value from detect function 2022-08-10 00:49:46 -07:00
hwspinlock
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hwtracing asm-generic: updates for 6.0 2022-08-05 10:07:23 -07:00
i2c powerpc updates for 6.0 2022-08-06 16:38:17 -07:00
i3c
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idle Power management updates for 5.20-rc1 2022-08-02 11:17:00 -07:00
iio
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infiniband dma-mapping updates 2022-08-06 10:56:45 -07:00
input parisc architecture fixes and updates for kernel v5.20-rc1: 2022-08-05 09:58:58 -07:00
interconnect
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iommu Bitmap patches for v6.0-rc1 2022-08-07 17:52:35 -07:00
ipack
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irqchip RISC-V Patches for the 5.20 Merge Window, Part 1 2022-08-06 15:04:48 -07:00
isdn
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leds LED updates for 5.20: new driver for bcm63138, is31fl319x updates, 2022-08-08 11:36:21 -07:00
macintosh
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mailbox - mtk: use rx_callback instead of cmdq_task_cb. 2022-08-08 10:19:40 -07:00
mcb
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md - Add flags argument to dm_bufio_client_create and introduce 2022-08-06 11:09:55 -07:00
media More power management updates for 5.20-rc1 2022-08-08 14:29:00 -07:00
memory More power management updates for 5.20-rc1 2022-08-08 14:29:00 -07:00
memstick MMC core: 2022-08-04 19:41:09 -07:00
message
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mfd - Core Frameworks 2022-08-06 10:25:16 -07:00
misc - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
mmc MMC core: 2022-08-04 19:41:09 -07:00
most
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mtd MTD core changes: 2022-08-05 14:13:45 -07:00
mux
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net Bitmap patches for v6.0-rc1 2022-08-07 17:52:35 -07:00
nfc
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ntb
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nubus
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nvdimm - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
nvme dma-mapping updates 2022-08-06 10:56:45 -07:00
nvmem SPDX changes for 6.0-rc1 2022-08-04 12:12:54 -07:00
of TTY / Serial driver changes for 6.0-rc1 2022-08-08 11:31:40 -07:00
opp OPP updates for 5.20-rc1 2022-08-03 17:49:38 +02:00
parisc parisc architecture fixes and updates for kernel v5.20-rc1: 2022-08-05 09:58:58 -07:00
parport
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pci dma-mapping updates 2022-08-06 10:56:45 -07:00
pcmcia
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peci
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perf
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phy pci-v5.20-changes 2022-08-04 19:30:35 -07:00
pinctrl platform-drivers-x86 for v6.0-1 2022-08-04 18:19:14 -07:00
platform platform-drivers-x86 for v6.0-1 2022-08-04 18:19:14 -07:00
pnp PCI: Remove pci_get_legacy_ide_irq() and asm-generic/pci.h 2022-07-22 17:23:45 -05:00
power platform-drivers-x86 for v6.0-1 2022-08-04 18:19:14 -07:00
powercap Power management updates for 5.20-rc1 2022-08-02 11:17:00 -07:00
pps
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ps3
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ptp SPDX changes for 6.0-rc1 2022-08-04 12:12:54 -07:00
pwm SPDX changes for 6.0-rc1 2022-08-04 12:12:54 -07:00
rapidio
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ras
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regulator chrome platform changes for 5.20 2022-08-04 18:13:19 -07:00
remoteproc remoteproc: qcom_q6v5_pas: Do not fail if regulators are not found 2022-08-08 10:32:17 -05:00
reset ARM: SoC: late updates for 6.0 2022-08-05 10:02:33 -07:00
rpmsg
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rtc
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s390 s390 updates for 5.20 merge window 2022-08-06 17:05:21 -07:00
sbus
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scsi powerpc updates for 6.0 2022-08-06 16:38:17 -07:00
sh
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siox
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slimbus
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soc More power management updates for 5.20-rc1 2022-08-08 14:29:00 -07:00
soundwire sound updates for 6.0-rc1 2022-08-06 10:19:51 -07:00
spi powerpc updates for 6.0 2022-08-06 16:38:17 -07:00
spmi
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ssb
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staging Staging driver patches for 6.0-rc1 2022-08-04 12:01:42 -07:00
target SCSI misc on 20220804 2022-08-04 19:47:37 -07:00
tc
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tee
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thermal More thermal control updates for 5.20-rc1 2022-08-08 14:23:37 -07:00
thunderbolt USB / Thunderbolt changes for 6.0-rc1 2022-08-04 11:41:28 -07:00
tty TTY / Serial driver changes for 6.0-rc1 2022-08-08 11:31:40 -07:00
ufs SCSI misc on 20220804 2022-08-04 19:47:37 -07:00
uio
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usb TTY / Serial driver changes for 6.0-rc1 2022-08-08 11:31:40 -07:00
vdpa
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vfio VFIO updates for v6.0-rc1 2022-08-06 08:59:35 -07:00
vhost iov_iter: advancing variants of iov_iter_get_pages{,_alloc}() 2022-08-08 22:37:22 -04:00
video TTY / Serial driver changes for 6.0-rc1 2022-08-08 11:31:40 -07:00
virt Char / Misc driver changes for 6.0-rc1 2022-08-04 11:05:48 -07:00
virtio - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
vlynq
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w1
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watchdog linux-watchdog 5.20-rc1 tag 2022-08-08 15:04:04 -07:00
xen - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
zorro
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Kconfig
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Makefile Staging driver patches for 6.0-rc1 2022-08-04 12:01:42 -07:00