From mboxrd@z Thu Jan 1 00:00:00 1970 From: segooon@gmail.com (Kulikov Vasiliy) Date: Thu, 29 Jul 2010 14:44:26 +0400 Subject: [PATCH 01/10 v2] arm: leds: check return value of request_region() Message-ID: <1280400267-4659-1-git-send-email-segooon@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org request_region() may fail, if so return -EBUSY. Signed-off-by: Kulikov Vasiliy --- arch/arm/mach-shark/leds.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-shark/leds.c b/arch/arm/mach-shark/leds.c index c9e32de..cb1a8f2 100644 --- a/arch/arm/mach-shark/leds.c +++ b/arch/arm/mach-shark/leds.c @@ -155,7 +155,8 @@ static int __init leds_init(void) leds_event = sequoia_leds_event; /* Make LEDs independent of power-state */ - request_region(0x24,4,"sequoia"); + if (request_region(0x24, 4, "sequoia") == NULL) + return -EBUSY; temp = sequoia_read(0x09); temp |= 1<<10; sequoia_write(temp,0x09); -- 1.7.0.4