From: segooon@gmail.com (Kulikov Vasiliy)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 01/10] arm: leds: check return value of request_region()
Date: Wed, 28 Jul 2010 20:38:47 +0400 [thread overview]
Message-ID: <1280335127-23145-1-git-send-email-segooon@gmail.com> (raw)
request_region() may fail, if so return -ENOMEM.
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
---
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
next reply other threads:[~2010-07-28 16:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-28 16:38 Kulikov Vasiliy [this message]
2010-07-28 18:01 ` [PATCH 01/10] arm: leds: check return value of request_region() Dan Carpenter
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