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linux/kernel/irq
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Guenter Roeck f107cee94b genirq: Unlock irq descriptor after errors 
In irq_set_irqchip_state(), the irq descriptor is not unlocked after an
error is encountered. While that should never happen in practice, a buggy
driver may trigger it. This would result in a lockup, so fix it.

Fixes: 1d0326f352 ("genirq: Check irq_data_get_irq_chip() return value before use")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200811180012.80269-1-linux@roeck-us.net
2020-08-13 09:35:59 +02:00
..
affinity.c genirq/affinity: Remove const qualifier from node_to_cpumask argument 2019-08-28 12:20:43 +02:00
autoprobe.c genirq: Delay deactivation in free_irq() 2019-07-03 10:12:28 +02:00
chip.c irqchip updates for Linux 5.9 2020-08-03 14:33:23 +02:00
cpuhotplug.c genirq, sched/isolation: Isolate from handling managed interrupts 2020-01-22 16:29:49 +01:00
debug.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk 2018-02-01 13:36:15 -08:00
debugfs.c genirq/debugfs: Add missing irqchip flags 2020-07-27 16:20:40 +02:00
devres.c genirq/devres: Use struct_size() in devm_kzalloc() 2019-04-16 21:54:03 +02:00
dummychip.c genirq: Add missing SPDX identifiers 2018-03-20 14:23:28 +01:00
generic-chip.c genirq: Add missing SPDX identifiers 2018-03-20 14:23:28 +01:00
handle.c x86 entry code updates: 2020-03-30 19:14:28 -07:00
internals.h genirq: Provide interrupt injection mechanism 2020-03-08 11:06:42 +01:00
ipi.c genirq: Fix various typos in comments 2018-12-18 14:22:28 +01:00
irq_sim.c genirq/irq_sim: Simplify the API 2020-05-18 10:30:21 +01:00
irqdesc.c genirq: Add protection against unsafe usage of generic_handle_irq() 2020-03-08 11:06:40 +01:00
irqdomain.c irqdomain: Export irq_domain_update_bus_token 2020-07-27 08:55:02 +01:00
Kconfig genirq: Remove preflow handler support 2020-07-04 10:02:06 +02:00
Makefile genirq/timings: Add selftest for circular array 2019-06-12 10:47:04 +02:00
manage.c genirq: Unlock irq descriptor after errors 2020-08-13 09:35:59 +02:00
matrix.c genirq/matrix: Improve target CPU selection for managed interrupts. 2018-11-06 23:20:13 +01:00
migration.c genirq/migration: Avoid out of line call if pending is not set 2018-06-06 15:18:20 +02:00
msi.c x86/apic/msi: Plug non-maskable MSI affinity race 2020-02-01 09:31:47 +01:00
pm.c genirq/PM: Always unlock IRQ descriptor in rearm_wake_irq() 2020-08-12 11:04:05 +02:00
proc.c genirq/proc: Reject invalid affinity masks (again) 2020-02-14 09:43:17 +01:00
resend.c treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD() 2020-07-30 11:15:58 -07:00
settings.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
spurious.c genirq: Add missing __must_hold() sparse annotation 2020-01-09 18:03:37 +01:00
timings.c genirq/timings: Add selftest for next event computation 2019-06-12 10:47:05 +02:00