gpio_led: check gpio_request() return value
authorIgor Grinberg <grinberg@compulab.co.il>
Thu, 7 Nov 2013 23:03:51 +0000 (01:03 +0200)
committerTom Rini <trini@ti.com>
Mon, 25 Nov 2013 15:41:52 +0000 (10:41 -0500)
commit6516f81b64c71ab2be61f304d0e13dd84f730484
tree03460a528001726d6c5badc36622b6adf168db19
parent1df7bbba24b5f8f97331e30066358b7ab97ff1df
gpio_led: check gpio_request() return value

Add a check for the gpio_request() function return value and do not try
to configure the GPIO if the gpio_request() call fails.
Also, print an error message indicating the gpio_request() has failed.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Tested-by: Ilya Ledvich <ilya@compulab.co.il>
drivers/misc/gpio_led.c