| commit | cf25ef6b631c6fc6c0435fc91eba8734cca20511 | [log] [tgz] |
|---|---|---|
| author | Johan Hovold <johan@kernel.org> | Mon Mar 01 10:05:19 2021 +0100 |
| committer | Bartosz Golaszewski <bgolaszewski@baylibre.com> | Mon Mar 08 11:59:17 2021 +0100 |
| tree | ad48e36b8d0774a88eff34ddc44a2b5a42d3fcce | |
| parent | a6112998ee45514def58200a7914706c0703f3d7 [diff] |
gpio: fix gpio-device list corruption
Make sure to hold the gpio_lock when removing the gpio device from the
gpio_devices list (when dropping the last reference) to avoid corrupting
the list when there are concurrent accesses.
Fixes: ff2b13592299 ("gpio: make the gpiochip a real device")
Cc: stable@vger.kernel.org # 4.6
Reviewed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>