Sachin Kamat b577cdcf17 pwm: samsung: Fix kernel warning while unexporting a channel ... PWM channel data was set to NULL before freeing it. This caused the following kernel warning while unexporting the channel. Set the channel data to NULL after freeing it. [ 70.495000] WARNING: CPU: 0 PID: 1 at drivers/base/devres.c:805 pwm_put+0x48/0x80() [ 70.505000] Modules linked in: [ 70.505000] CPU: 0 PID: 1 Comm: sh Not tainted 3.12.0-rc6-next-20131024-00012-gd4aec04-dirty #58 [ 70.515000] [<c0014ddc>] (unwind_backtrace+0x0/0xf4) from [<c0011784>] (show_stack+0x10/0x14) [ 70.525000] [<c0011784>] (show_stack+0x10/0x14) from [<c03a3cbc>] (dump_stack+0x7c/0xb0) [ 70.530000] [<c03a3cbc>] (dump_stack+0x7c/0xb0) from [<c001de68>] (warn_slowpath_common+0x6c/0x88) [ 70.540000] [<c001de68>] (warn_slowpath_common+0x6c/0x88) from [<c001df20>] (warn_slowpath_null+0x1c/0x24) [ 70.550000] [<c001df20>] (warn_slowpath_null+0x1c/0x24) from [<c01d1af8>] (pwm_put+0x48/0x80) [ 70.560000] [<c01d1af8>] (pwm_put+0x48/0x80) from [<c01d21c8>] (pwm_unexport_store+0x94/0xac) [ 70.565000] [<c01d21c8>] (pwm_unexport_store+0x94/0xac) from [<c010991c>] (sysfs_write_file+0x148/0x1d8) [ 70.575000] [<c010991c>] (sysfs_write_file+0x148/0x1d8) from [<c00b2a80>] (vfs_write+0xb4/0x1a0) [ 70.585000] [<c00b2a80>] (vfs_write+0xb4/0x1a0) from [<c00b3068>] (SyS_write+0x3c/0x78) [ 70.595000] [<c00b3068>] (SyS_write+0x3c/0x78) from [<c000e2e0>] (ret_fast_syscall+0x0/0x30) Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Reviewed-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>		2013-11-01 11:17:57 +01:00
..
core.c
Kconfig	pwm: add ep93xx PWM support	2013-10-17 16:07:19 +02:00
Makefile	pwm: add ep93xx PWM support	2013-10-17 16:07:19 +02:00
pwm-ab8500.c
pwm-atmel-tcb.c
pwm-bfin.c
pwm-ep93xx.c	pwm: add ep93xx PWM support	2013-10-17 16:07:19 +02:00
pwm-imx.c	pwm: imx: Remove redundant of_match_ptr	2013-10-08 15:49:38 +02:00
pwm-jz4740.c
pwm-lpc32xx.c	pwm: lpc32xx: Remove redundant of_match_ptr	2013-10-08 15:49:19 +02:00
pwm-mxs.c	pwm: mxs: Remove redundant of_match_ptr	2013-10-08 15:49:10 +02:00
pwm-pca9685.c
pwm-puv3.c
pwm-pxa.c
pwm-renesas-tpu.c
pwm-samsung.c	pwm: samsung: Fix kernel warning while unexporting a channel	2013-11-01 11:17:57 +01:00
pwm-spear.c
pwm-tegra.c
pwm-tiecap.c	pwm: don't use devm_pinctrl_get_select_default() in probe	2013-10-15 12:16:35 +02:00
pwm-tiehrpwm.c	pwm: don't use devm_pinctrl_get_select_default() in probe	2013-10-15 12:16:35 +02:00
pwm-tipwmss.c
pwm-tipwmss.h
pwm-twl-led.c	pwm: twl-led: Include linux/of.h header	2013-10-08 15:45:44 +02:00
pwm-twl.c	pwm: twl: Include linux/of.h header	2013-10-08 15:45:44 +02:00
pwm-vt8500.c
sysfs.c