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linux-stable/drivers/counter
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Uwe Kleine-König 01b44ef2bf counter: Stop using dev_get_drvdata() to get the counter device 
dev_get_drvdata() returns NULL since commit b56346ddbd ("counter: Use
container_of instead of drvdata to track counter_device") which wrongly
claimed there were no users of drvdata. Convert to container_of() to
fix a null pointer dereference.

Reported-by: Oleksij Rempel <o.rempel@pengutronix.de>
Fixes: b56346ddbd ("counter: Use container_of instead of drvdata to track counter_device")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/all/20220204082556.370348-1-u.kleine-koenig@pengutronix.de/
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/4a14311a3b935b62b33e665a97ecaaf2f078228a.1646957732.git.vilhelm.gray@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2022-03-15 19:24:13 +01:00
..
104-quad-8.c counter: 104-quad-8: Fix use-after-free by quad8_irq_handler 2022-01-06 15:51:13 +01:00
Kconfig counter: 104-quad-8: Add IRQ support for the ACCES 104-QUAD-8 2021-10-17 10:55:55 +01:00
Makefile counter: Add character device interface 2021-10-17 10:53:52 +01:00
counter-chrdev.c counter: Fix use-after-free race condition for events_queue_size write 2021-10-21 13:02:47 +02:00
counter-chrdev.h counter: Add character device interface 2021-10-17 10:53:52 +01:00
counter-core.c counter: fix an IS_ERR() vs NULL bug 2022-01-26 19:40:33 +01:00
counter-sysfs.c counter: Stop using dev_get_drvdata() to get the counter device 2022-03-15 19:24:13 +01:00
counter-sysfs.h counter: Internalize sysfs interface code 2021-10-17 10:52:58 +01:00
ftm-quaddec.c counter: ftm-quaddec: Convert to new counter registration 2021-12-30 17:44:07 +01:00
intel-qep.c counter: intel-qep: Convert to new counter registration 2021-12-30 17:44:07 +01:00
interrupt-cnt.c counter: interrupt-cnt: Convert to new counter registration 2021-12-30 17:44:07 +01:00
microchip-tcb-capture.c counter: microchip-tcb-capture: Convert to new counter registration 2021-12-30 17:44:07 +01:00
stm32-lptimer-cnt.c counter: stm32-lptimer-cnt: Convert to new counter registration 2021-12-30 17:44:07 +01:00
stm32-timer-cnt.c counter: stm32-timer-cnt: Convert to new counter registration 2021-12-30 17:44:07 +01:00
ti-eqep.c counter: ti-eqep: Convert to new counter registration 2021-12-30 17:44:07 +01:00