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 931ea00c4fedb9a8a2c4d2ae9a1f24d7e51d7d04..4a1e1dd30b52fd04abef83272567a1975a840e0f 100644 (file)
--- 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)) {