[PATCH 5.10 36/91] net: ieee802154: fix error return code in dgram_bind()

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From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>

commit 444d8ad4916edec8a9fc684e841287db9b1e999f upstream.

Fix to return error code -EINVAL from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 94160108a70c ("net/ieee802154: fix uninit value bug in dgram_sendmsg")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220919160830.1436109-1-weiyongjun@xxxxxxxxxxxxxxx
Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 net/ieee802154/socket.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -503,8 +503,10 @@ static int dgram_bind(struct sock *sk, s
 	if (err < 0)
 		goto out;
 
-	if (addr->family != AF_IEEE802154)
+	if (addr->family != AF_IEEE802154) {
+		err = -EINVAL;
 		goto out;
+	}
 
 	ieee802154_addr_from_sa(&haddr, &addr->addr);
 	dev = ieee802154_get_dev(sock_net(sk), &haddr);





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