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	pwm: Use the DT macro directly when parsing PWM DT flags	2013-09-03 13:08:10 +02:00
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: ab8500: Add .owner to struct pwm_ops	2013-04-02 11:29:11 +02:00
pwm-atmel-tcb.c	pwm: atmel-tcb: fix max time computation for slow clk source	2013-09-19 14:04:32 +02:00
pwm-bfin.c	pwm: Fill in missing .owner fields	2013-06-12 13:18:29 +02:00
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: remove use of __devexit	2012-11-28 12:23:41 -08:00
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: pca9685: Fix wrong argument to set MODE1_SLEEP bit	2013-06-26 23:23:54 +02:00
pwm-puv3.c	pwm: Fill in missing .owner fields	2013-06-12 13:18:29 +02:00
pwm-pxa.c	pwm: pxa: Use module_platform_driver	2013-09-03 13:09:17 +02:00
pwm-renesas-tpu.c	pwm: simplify use of devm_ioremap_resource	2013-09-03 13:09:16 +02:00
pwm-samsung.c	pwm: samsung: Fix kernel warning while unexporting a channel	2013-11-01 11:17:57 +01:00
pwm-spear.c	pwm: simplify use of devm_ioremap_resource	2013-09-03 13:09:16 +02:00
pwm-tegra.c	pwm: Fill in missing .owner fields	2013-06-12 13:18:29 +02:00
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	drivers/pwm: don't check resource with devm_ioremap_resource	2013-05-18 11:55:58 +02:00
pwm-tipwmss.h	pwm: davinci: Add Kconfig support for ECAP & EHRPWM devices	2013-03-22 11:35:20 +01:00
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	drivers/pwm: don't check resource with devm_ioremap_resource	2013-05-18 11:55:58 +02:00
sysfs.c	pwm: convert class code to use dev_groups	2013-07-29 09:08:33 +02:00