net/smc: fix error return code in smc_setsockopt()

Fix to return error code -EINVAL instead of 0 if optlen is invalid. Fixes: 01d2f7e ("net/smc: sockopts TCP_NODELAY and TCP_CORK") Signed-off-by: Wei Yongjun <[email protected]> Signed-off-by: David S. Miller <[email protected]>
ambv · Jun 3, 2018 · 3dc9f55 · 3dc9f55
1 parent 8cb7714
commit 3dc9f55
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
@@ -1420,7 +1420,7 @@ static int smc_setsockopt(struct socket *sock, int level, int optname,
 		return rc;
 
 	if (optlen < sizeof(int))
-		return rc;
+		return -EINVAL;
 	get_user(val, (int __user *)optval);
 
 	lock_sock(sk);