From: Shawn Lin <shawn.lin@rock-chips.com>
Date: Mon, 22 Aug 2016 07:45:59 +0000 (+0800)
Subject: fs: compat: remove redundant check of nr_segs
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=85e7340f21d3a88883e54cd2a5d7ebf04e827eeb;p=linux-beck.git

fs: compat: remove redundant check of nr_segs

nr_segs should never be less than zero as its type
is unsigned long, so let's remove this check.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/compat.c b/fs/compat.c
index be6e48b0a46c..5bc3a4b245bb 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -562,7 +562,7 @@ ssize_t compat_rw_copy_check_uvector(int type,
 		goto out;
 
 	ret = -EINVAL;
-	if (nr_segs > UIO_MAXIOV || nr_segs < 0)
+	if (nr_segs > UIO_MAXIOV)
 		goto out;
 	if (nr_segs > fast_segs) {
 		ret = -ENOMEM;