tipc: uninitialized return code in tipc_setsockopt()

We shuffled some code around and added some new case statements here and
now "res" isn't initialized on all paths.

Fixes: 01fd12bb189a ("tipc: make replicast a user selectable option")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 5bec8aac5008..103d1fd058c0 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -2348,7 +2348,7 @@ static int tipc_setsockopt(struct socket *sock, int lvl, int opt,
         struct sock *sk = sock->sk;
         struct tipc_sock *tsk = tipc_sk(sk);
         u32 value = 0;
-        int res;
+        int res = 0;
 
         if ((lvl == IPPROTO_TCP) && (sock->type == SOCK_STREAM))
                 return 0;
@@ -2388,7 +2388,6 @@ static int tipc_setsockopt(struct socket *sock, int lvl, int opt,
                 break;
         case TIPC_CONN_TIMEOUT:
                 tipc_sk(sk)->conn_timeout = value;
-                /* no need to set "res", since already 0 at this point */
                 break;
         case TIPC_MCAST_BROADCAST:
                 tsk->mc_method.rcast = false;