IPoIB: Avoid reading an uninitialized member variable

This patch avoids that Coverity reports the following:

    Using uninitialized value port_attr.state when calling printk

Fixes: commit 94232d9ce817 ("IPoIB: Start multicast join process only on active ports")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Erez Shitrit <erezsh@mellanox.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index d3394b6add24..2a3980c2c670 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -575,8 +575,11 @@ void ipoib_mcast_join_task(struct work_struct *work)
         if (!test_bit(IPOIB_FLAG_OPER_UP, &priv->flags))
                 return;
 
-        if (ib_query_port(priv->ca, priv->port, &port_attr) ||
-            port_attr.state != IB_PORT_ACTIVE) {
+        if (ib_query_port(priv->ca, priv->port, &port_attr)) {
+                ipoib_dbg(priv, "ib_query_port() failed\n");
+                return;
+        }
+        if (port_attr.state != IB_PORT_ACTIVE) {
                 ipoib_dbg(priv, "port state is not ACTIVE (state = %d) suspending join task\n",
                           port_attr.state);
                 return;