From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 5 Dec 2007 14:46:09 +0000 (+0100)
Subject: futex: correctly return -EFAULT not -EINVAL
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=cde898fa80a45bb23eab2a060fc79d0913081409;p=openwrt%2Fstaging%2Fblogic.git

futex: correctly return -EFAULT not -EINVAL

return -EFAULT not -EINVAL. Found by review.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/futex.c b/kernel/futex.c
index e8fbdd7d95ac..172a1aeeafdb 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -658,7 +658,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
 
 		if (curval == -EFAULT)
 			ret = -EFAULT;
-		if (curval != uval)
+		else if (curval != uval)
 			ret = -EINVAL;
 		if (ret) {
 			spin_unlock(&pi_state->pi_mutex.wait_lock);