From: Ganesh Goudar <ganeshgr@chelsio.com>
Date: Fri, 16 Jun 2017 15:36:09 +0530
Subject: cxgb4: fix a NULL dereference
Patch-mainline: v4.13-rc1
Git-commit: d427caee5a3f04938f47bec6fdec97a52668ee53
References: bsc#1046540

Avoid NULL dereference in setup_sge_queues() when the adapter is
in non offload mode.

Fixes: 0fbc81b3ad51 ('chcr/cxgb4i/cxgbit/RDMA/cxgb4: Allocate resources dynamically for all cxgb4 ULD's')
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -824,9 +824,12 @@ static int setup_sge_queues(struct adapt
 {
 	int err, i, j;
 	struct sge *s = &adap->sge;
-	struct sge_uld_rxq_info *rxq_info = s->uld_rxq_info[CXGB4_ULD_RDMA];
+	struct sge_uld_rxq_info *rxq_info = NULL;
 	unsigned int cmplqid = 0;
 
+	if (is_uld(adap))
+		rxq_info = s->uld_rxq_info[CXGB4_ULD_RDMA];
+
 	for_each_port(adap, i) {
 		struct net_device *dev = adap->port[i];
 		struct port_info *pi = netdev_priv(dev);