Commit 400f505b authored Jul 19, 2021 by Zheng Yongjun Committed by Yang Yingliang Jul 19, 2021

net: Return the correct errno code



stable inclusion
from linux-4.19.196
commit b966a0defc93c533c0f96410c20f50c42a5fed52

--------------------------------

[ Upstream commit 49251cd0 ]

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

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>

parent 2c48c2f7

net/compat.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -175,7 +175,7 @@ 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);