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(parent: 7f57b29) | patch
gpio: mvebu: fix potential user-after-free on probe
authorBaruch Siach <baruch@tkos.co.il>
Wed, 2 Dec 2020 07:15:32 +0000 (09:15 +0200)
committerBartosz Golaszewski <bgolaszewski@baylibre.com>
Wed, 2 Dec 2020 11:01:51 +0000 (12:01 +0100)
commit7ee1a01e47403f72b9f38839a737692f6991263e
tree2cedbcff2691079269182135c7850b7e45e25c57tree | snapshot
parent7f57b295f990c0fa07f96d51ca1c82c52dbf79cccommit | diff
gpio: mvebu: fix potential user-after-free on probe

When mvebu_pwm_probe() fails IRQ domain is not released. Move pwm probe
before IRQ domain allocation. Add pwm cleanup code to the failure path.

Fixes: 757642f9a584 ("gpio: mvebu: Add limited PWM support")
Reported-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
drivers/gpio/gpio-mvebu.c diff | blob | history
Domain: System / Kernel;