[PATCH 3/6] cxgb4vf: Adjust five checks for null pointers

[SF Markus Elfring]

From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Thu, 4 May 2017 21:20:25 +0200
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The script “checkpatch.pl” pointed information out like the following.

Comparison to NULL could be written !…

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c 
b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 9c2690aeb32b..682e844c5a7d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -491,7 +491,7 @@ static int fwevtq_handler(struct sge_rspq *rspq, const 
__be64 *rsp,
                        break;
                }
                tq = s->egr_map[eq_idx];
-               if (unlikely(tq == NULL)) {
+               if (unlikely(!tq)) {
                        dev_err(adapter->pdev_dev,
                                "Egress Update QID %d TXQ=NULL\n", qid);
                        break;
@@ -2939,7 +2939,7 @@ static int cxgb4vf_pci_probe(struct pci_dev *pdev,
                 */
                netdev = alloc_etherdev_mq(sizeof(struct port_info),
                                           MAX_PORT_QSETS);
-               if (netdev == NULL) {
+               if (!netdev) {
                        t4vf_free_vi(adapter, viid);
                        err = -ENOMEM;
                        goto err_free_dev;
@@ -3053,7 +3053,7 @@ static int cxgb4vf_pci_probe(struct pci_dev *pdev,
        for_each_port(adapter, pidx) {
                struct port_info *pi = netdev_priv(adapter->port[pidx]);
                netdev = adapter->port[pidx];
-               if (netdev == NULL)
+               if (!netdev)
                        continue;
 
                netif_set_real_num_tx_queues(netdev, pi->nqsets);
@@ -3120,7 +3120,7 @@ static int cxgb4vf_pci_probe(struct pci_dev *pdev,
 err_free_dev:
        for_each_port(adapter, pidx) {
                netdev = adapter->port[pidx];
-               if (netdev == NULL)
+               if (!netdev)
                        continue;
                pi = netdev_priv(netdev);
                t4vf_free_vi(adapter, pi->viid);
@@ -3197,7 +3197,7 @@ static void cxgb4vf_pci_remove(struct pci_dev *pdev)
                        struct net_device *netdev = adapter->port[pidx];
                        struct port_info *pi;
 
-                       if (netdev == NULL)
+                       if (!netdev)
                                continue;
 
                        pi = netdev_priv(netdev);
-- 
2.12.2