rds: Fix NULL pointer dereference in __rds_rdma_map

[pandora-kernel.git] / net / rds / ib.c

diff --git a/net/rds/ib.c b/net/rds/ib.c
index b4c8b00..ba2dffe 100644 (file)
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -338,7 +338,8 @@ static int rds_ib_laddr_check(__be32 addr)
        ret = rdma_bind_addr(cm_id, (struct sockaddr *)&sin);
        /* due to this, we will claim to support iWARP devices unless we
           check node_type. */
-       if (ret || cm_id->device->node_type != RDMA_NODE_IB_CA)
+       if (ret || !cm_id->device ||
+           cm_id->device->node_type != RDMA_NODE_IB_CA)
                ret = -EADDRNOTAVAIL;
 
        rdsdebug("addr %pI4 ret %d node type %d\n",