IPoIB: Don't attempt to release resources on error flow

If the ipoib client info isn't found on the _remove_one callback, we
must not attempt to scan the returned null list.  Found by Coverity.

Signed-off-by: Itai Garbi <igarbi@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 4fe44eb..66d6da9 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1693,6 +1693,8 @@ static void ipoib_remove_one(struct ib_device *device)
                return;
 
        dev_list = ib_get_client_data(device, &ipoib_client);
+       if (!dev_list)
+               return;
 
        list_for_each_entry_safe(priv, tmp, dev_list, list) {
                ib_unregister_event_handler(&priv->event_handler);