gpio: exar: add a check for the return value of ida_simple_get fails
authorKangjie Lu <kjlu@umn.edu>
Sat, 9 Mar 2019 04:07:57 +0000 (22:07 -0600)
committerBartosz Golaszewski <bgolaszewski@baylibre.com>
Fri, 22 Mar 2019 15:48:39 +0000 (16:48 +0100)
commit7ecced0934e574b528a1ba6c237731e682216a74
tree21090e6781fdea12fceb2d6880ce79588f09f554
parent9e98c678c2d6ae3a17cb2de55d17f69dddaa231b
gpio: exar: add a check for the return value of ida_simple_get fails

ida_simple_get may fail and return a negative error number.
The fix checks its return value; if it fails, go to err_destroy.

Cc: <stable@vger.kernel.org>
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
drivers/gpio/gpio-exar.c