From: piaojun <piaojun@huawei.com>
Date: Wed, 11 Jul 2018 00:43:49 +0000 (+0800)
Subject: 9p/net/protocol.c: return -ENOMEM when kmalloc() failed
X-Git-Tag: v4.19-rc1~104^2~18
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b87d1d26521ef9f2e42bb182184d1427b4e07b26;p=users%2Fjedix%2Flinux-maple.git

9p/net/protocol.c: return -ENOMEM when kmalloc() failed

We should return -ENOMEM to upper user when kmalloc failed to indicate
accurate errno.

Link: http://lkml.kernel.org/r/5B4552C5.60000@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
---

diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 931ea00c4fed..4a1e1dd30b52 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -156,7 +156,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
 
 				*sptr = kmalloc(len + 1, GFP_NOFS);
 				if (*sptr == NULL) {
-					errcode = -EFAULT;
+					errcode = -ENOMEM;
 					break;
 				}
 				if (pdu_read(pdu, *sptr, len)) {