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linux-sg2042/drivers/mmc/core
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Michał Mirosław 3f8b23a09a mmc: block: fix lockdep splat when removing mmc_block module 
Fix lockdep splat introduced in v4.13-rc4.

[  266.297226] ------------[ cut here ]------------
[  266.300078] WARNING: CPU: 2 PID: 176 at /mnt/src/jaja/git/tf300t/include/linux/blkdev.h:657 mmc_blk_remove_req+0xd0/0xe8 [mmc_block]
[  266.302937] Modules linked in: mmc_block(-) sdhci_tegra sdhci_pltfm sdhci pwrseq_simple pwrseq_emmc mmc_core
[  266.305941] CPU: 2 PID: 176 Comm: rmmod Tainted: G        W       4.13.0-rc4mq-00208-gb691e67724b8-dirty #694
[  266.308852] Hardware name: NVIDIA Tegra SoC (Flattened Device Tree)
[  266.311719] [<b011144c>] (unwind_backtrace) from [<b010ca54>] (show_stack+0x18/0x1c)
[  266.314664] [<b010ca54>] (show_stack) from [<b062e3f4>] (dump_stack+0x84/0x98)
[  266.317644] [<b062e3f4>] (dump_stack) from [<b01214f4>] (__warn+0xf4/0x10c)
[  266.320542] [<b01214f4>] (__warn) from [<b01215d4>] (warn_slowpath_null+0x28/0x30)
[  266.323534] [<b01215d4>] (warn_slowpath_null) from [<af067858>] (mmc_blk_remove_req+0xd0/0xe8 [mmc_block])
[  266.326568] [<af067858>] (mmc_blk_remove_req [mmc_block]) from [<af068f40>] (mmc_blk_remove_parts.constprop.6+0x50/0x64 [mmc_block])
[  266.329678] [<af068f40>] (mmc_blk_remove_parts.constprop.6 [mmc_block]) from [<af0693b8>] (mmc_blk_remove+0x24/0x140 [mmc_block])
[  266.332894] [<af0693b8>] (mmc_blk_remove [mmc_block]) from [<af0052ec>] (mmc_bus_remove+0x20/0x28 [mmc_core])
[  266.336198] [<af0052ec>] (mmc_bus_remove [mmc_core]) from [<b046aa64>] (device_release_driver_internal+0x164/0x200)
[  266.339367] [<b046aa64>] (device_release_driver_internal) from [<b046ab54>] (driver_detach+0x40/0x74)
[  266.342537] [<b046ab54>] (driver_detach) from [<b046982c>] (bus_remove_driver+0x68/0xdc)
[  266.345660] [<b046982c>] (bus_remove_driver) from [<af06ad40>] (mmc_blk_exit+0xc/0x2cc [mmc_block])
[  266.348875] [<af06ad40>] (mmc_blk_exit [mmc_block]) from [<b01aee30>] (SyS_delete_module+0x1c4/0x254)
[  266.352068] [<b01aee30>] (SyS_delete_module) from [<b0108480>] (ret_fast_syscall+0x0/0x34)
[  266.355308] ---[ end trace f68728a0d3053b72 ]---

Fixes: 7c84b8b43d ("mmc: block: bypass the queue even if usage is present for hotplug")
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 		2017-08-09 13:19:44 +02:00
..
Kconfig mmc: core: Delete bounce buffer Kconfig option 2017-06-20 10:30:17 +02:00
Makefile mmc: core: change quirks.c to be a header file 2017-02-15 11:34:26 +01:00
block.c mmc: block: fix lockdep splat when removing mmc_block module 2017-08-09 13:19:44 +02:00
block.h mmc: block: stop passing around pointless return values 2017-02-13 13:20:40 +01:00
bus.c mmc: core: Move public functions from host.h to private headers 2017-02-13 13:20:25 +01:00
bus.h mmc: core: Move public functions from card.h to private headers 2017-02-13 13:20:24 +01:00
card.h mmc: core: change quirks.c to be a header file 2017-02-15 11:34:26 +01:00
core.c mmc: slot-gpio: Add support to enable irq wake on cd_irq 2017-06-20 10:30:49 +02:00
core.h mmc: core: Rename __mmc_set_signal_voltage() to mmc_set_signal_voltage() 2017-02-13 13:20:43 +01:00
debugfs.c mmc: core: Move public functions from host.h to private headers 2017-02-13 13:20:25 +01:00
host.c mmc: core: Use device_property_read instead of of_property_read 2017-06-20 10:30:30 +02:00
host.h mmc: core: Move public functions from host.h to private headers 2017-02-13 13:20:25 +01:00
mmc.c mmc: mmc: correct the logic for setting HS400ES signal voltage 2017-08-08 18:55:43 +02:00
mmc_ops.c mmc: core: Clarify code for sending CSD 2017-06-20 10:30:47 +02:00
mmc_ops.h mmc: core: Re-factor code for sending CID 2017-06-20 10:30:45 +02:00
mmc_test.c mmc: core: Delete error messages for failed memory allocations 2017-06-20 10:30:21 +02:00
pwrseq.c mmc: pwrseq: Add reset callback to the struct mmc_pwrseq_ops 2017-06-20 10:30:09 +02:00
pwrseq.h mmc: pwrseq: Add reset callback to the struct mmc_pwrseq_ops 2017-06-20 10:30:09 +02:00
pwrseq_emmc.c mmc: core: Don't do eMMC HW reset when resuming the eMMC card 2017-06-20 10:30:10 +02:00
pwrseq_sd8787.c mmc: pwrseq: add support for Marvell SD8787 chip 2017-02-13 13:20:33 +01:00
pwrseq_simple.c mmc: pwrseq_simple: Parse DTS for the power-off-delay-us property 2017-05-23 14:17:36 +02:00
queue.c MMC core: 2017-07-04 11:11:56 -07:00
queue.h mmc: block: Move boot partition locking into a driver op 2017-06-20 10:30:26 +02:00
quirks.h mmc: core: add mmc prefix for blk_fixups 2017-02-15 11:34:27 +01:00
sd.c mmc: core: Re-factor code for sending CID 2017-06-20 10:30:45 +02:00
sd.h mmc: core: First step in cleaning up private mmc header files 2017-02-13 13:20:20 +01:00
sd_ops.c mmc: core: add proper be32 annotation 2017-04-24 21:42:19 +02:00
sd_ops.h mmc: core: add proper be32 annotation 2017-04-24 21:42:19 +02:00
sdio.c mmc: sdio: Keep card runtime resumed while adding function devices 2017-06-20 10:30:39 +02:00
sdio_bus.c mmc: sdio: fix alignment issue in struct sdio_func 2017-04-18 19:18:07 +02:00
sdio_bus.h mmc: core: First step in cleaning up private mmc header files 2017-02-13 13:20:20 +01:00
sdio_cis.c mmc: core: remove BUG_ONs from sdio 2016-12-05 10:31:08 +01:00
sdio_cis.h mmc: core: First step in cleaning up private mmc header files 2017-02-13 13:20:20 +01:00
sdio_io.c mmc: core: simplify return code 2017-04-24 21:41:24 +02:00
sdio_irq.c mmc: sdio: Add API to manage SDIO IRQs from a workqueue 2017-06-20 10:30:11 +02:00
sdio_ops.c mmc: sdio: improve mmc_io_rw_extended 2017-04-24 21:41:42 +02:00
sdio_ops.h mmc: sdio: Add API to manage SDIO IRQs from a workqueue 2017-06-20 10:30:11 +02:00
sdio_uart.c mmc: block: Move files to core 2016-12-12 16:30:05 +01:00
slot-gpio.c mmc: slot-gpio: Add support to enable irq wake on cd_irq 2017-06-20 10:30:49 +02:00
slot-gpio.h mmc: core: First step in cleaning up private mmc header files 2017-02-13 13:20:20 +01:00