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

[piaojun]

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

Signed-off-by: Jun Piao <piao...@huawei.com>
---
 net/9p/protocol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 931ea00..4a1e1dd 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -156,7 +156,7 @@ static size_t pdu_write(struct p9_fcall *pdu, const void 
*data, size_t size)

                                *sptr = kmalloc(len + 1, GFP_NOFS);
                                if (*sptr == NULL) {
-                                       errcode = -EFAULT;
+                                       errcode = -ENOMEM;
                                        break;
                                }
                                if (pdu_read(pdu, *sptr, len)) {
--