[PATCH AUTOSEL 5.4 28/29] net: Return the correct errno code

From: Sasha Levin
Date: Mon Jun 07 2021 - 12:21:14 EST


From: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>

[ Upstream commit 49251cd00228a3c983651f6bb2f33f6a0b8f152e ]

When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF.

Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/compat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/compat.c b/net/compat.c
index c848bcb517f3..f5b88166c44a 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -160,7 +160,7 @@ int cmsghdr_from_user_compat_to_kern(struct msghdr *kmsg, struct sock *sk,
if (kcmlen > stackbuf_size)
kcmsg_base = kcmsg = sock_kmalloc(sk, kcmlen, GFP_KERNEL);
if (kcmsg == NULL)
- return -ENOBUFS;
+ return -ENOMEM;

/* Now copy them over neatly. */
memset(kcmsg, 0, kcmlen);
--
2.30.2