From: Andrew Morton <akpm@linux-foundation.org>
Date: Fri, 16 Dec 2011 04:49:28 +0000 (+1100)
Subject: x86-olpc-xo15-sci-enable-lid-close-wakeup-control-through-sysfs-fix
X-Git-Tag: next-20111221~2^2~238
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2cd966f2da4d11676c3ea58dab450b2e30bd63b3;p=karo-tx-linux.git

x86-olpc-xo15-sci-enable-lid-close-wakeup-control-through-sysfs-fix

fix sscanf checking

Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andres Salomon <dilinger@queued.net>
Cc: Daniel Drake <dsd@laptop.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/arch/x86/platform/olpc/olpc-xo15-sci.c b/arch/x86/platform/olpc/olpc-xo15-sci.c
index 649230c6979f..2dd700351e7a 100644
--- a/arch/x86/platform/olpc/olpc-xo15-sci.c
+++ b/arch/x86/platform/olpc/olpc-xo15-sci.c
@@ -58,7 +58,8 @@ static ssize_t lid_wake_on_close_store(struct kobject *s,
 				       const char *buf, size_t n)
 {
 	unsigned int val;
-	if (!sscanf(buf, "%u", &val) == 1)
+
+	if (sscanf(buf, "%u", &val) != 1)
 		return -EINVAL;
 
 	set_lid_wake_behavior(!!val);