From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kulikov Vasiliy Date: Wed, 28 Jul 2010 16:38:47 +0000 Subject: [PATCH 01/10] arm: leds: check return value of request_region() Message-Id: <1280335127-23145-1-git-send-email-segooon@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org request_region() may fail, if so return -ENOMEM. 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 -ENOMEM; temp = sequoia_read(0x09); temp |= 1<<10; sequoia_write(temp,0x09); -- 1.7.0.4