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authorJia-Ju Bai <baijiaju1990@gmail.com>2021-03-08 01:13:55 -0800
committerDavid S. Miller <davem@davemloft.net>2021-03-08 15:02:53 -0800
commit179d0ba0c454057a65929c46af0d6ad986754781 (patch)
tree1c98c5e29f458d1849ac09e78c1cd927dab3e61d
parent27ab92d9996e4e003a726d22c56d780a1655d6b4 (diff)
net: qrtr: fix error return code of qrtr_sendmsg()
When sock_alloc_send_skb() returns NULL to skb, no error return code of qrtr_sendmsg() is assigned. To fix this bug, rc is assigned with -ENOMEM in this case. Fixes: 194ccc88297a ("net: qrtr: Support decoding incoming v2 packets") Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/qrtr/qrtr.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 82d2eb8c21d1..edb6ac17ceca 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -958,8 +958,10 @@ static int qrtr_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
plen = (len + 3) & ~3;
skb = sock_alloc_send_skb(sk, plen + QRTR_HDR_MAX_SIZE,
msg->msg_flags & MSG_DONTWAIT, &rc);
- if (!skb)
+ if (!skb) {
+ rc = -ENOMEM;
goto out_node;
+ }
skb_reserve(skb, QRTR_HDR_MAX_SIZE);