From 0a95a9129396dc1d8c46622cc8b074e4608b4f20 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Fri, 21 May 2010 22:25:19 +0000
Subject: [PATCH] --- yaml --- r: 202582 b: refs/heads/master c:
 042604d2a3ee59c84f8293988caf35bac5de9eb3 h: refs/heads/master v: v3

---
 [refs]                 |  2 +-
 trunk/net/dccp/proto.c | 11 +++--------
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/[refs] b/[refs]
index 0587999dcfc0..afdbbd920766 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c146fc9fc9bc1dc0f629fe83d49f32ab0f11bfdc
+refs/heads/master: 042604d2a3ee59c84f8293988caf35bac5de9eb3
diff --git a/trunk/net/dccp/proto.c b/trunk/net/dccp/proto.c
index b03ecf6b2bb0..f79bcef5088f 100644
--- a/trunk/net/dccp/proto.c
+++ b/trunk/net/dccp/proto.c
@@ -473,14 +473,9 @@ static int dccp_setsockopt_ccid(struct sock *sk, int type,
 	if (optlen < 1 || optlen > DCCP_FEAT_MAX_SP_VALS)
 		return -EINVAL;
 
-	val = kmalloc(optlen, GFP_KERNEL);
-	if (val == NULL)
-		return -ENOMEM;
-
-	if (copy_from_user(val, optval, optlen)) {
-		kfree(val);
-		return -EFAULT;
-	}
+	val = memdup_user(optval, optlen);
+	if (IS_ERR(val))
+		return PTR_ERR(val);
 
 	lock_sock(sk);
 	if (type == DCCP_SOCKOPT_TX_CCID || type == DCCP_SOCKOPT_CCID)