[PATCH net-next] net/smc: unlock on error paths in __smc_setsockopt()

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These two error paths need to release_sock(sk) before returning.

Fixes: a6a6fe27bab4 ("net/smc: Dynamic control handshake limitation by socket options")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 net/smc/af_smc.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index d873afe2d4dc..38faf2b60327 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -2715,10 +2715,14 @@ static int __smc_setsockopt(struct socket *sock, int level, int optname,
 	lock_sock(sk);
 	switch (optname) {
 	case SMC_LIMIT_HS:
-		if (optlen < sizeof(int))
-			return -EINVAL;
-		if (copy_from_sockptr(&val, optval, sizeof(int)))
-			return -EFAULT;
+		if (optlen < sizeof(int)) {
+			rc = -EINVAL;
+			break;
+		}
+		if (copy_from_sockptr(&val, optval, sizeof(int))) {
+			rc = -EFAULT;
+			break;
+		}
 
 		smc->limit_smc_hs = !!val;
 		rc = 0;
-- 
2.20.1




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