[PATCH 07/14] RDMA/cxgb4: Adjust three checks for null pointers

From: SF Markus Elfring
Date: Wed Feb 08 2017 - 16:18:44 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 8 Feb 2017 17:10:14 +0100
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The script "checkpatch.pl" pointed information out like the following.

Comparison to NULL could be written !â

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/hw/cxgb4/device.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index 90fa96abb5bc..7f30bfd71eb2 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -1126,10 +1126,10 @@ static inline int recv_rx_pkt(struct c4iw_dev *dev, const struct pkt_gl *gl,
goto out;

skb = copy_gl_to_skb_pkt(gl , rsp, dev->rdev.lldi.sge_pktshift);
- if (skb == NULL)
+ if (!skb)
goto out;

- if (c4iw_handlers[opcode] == NULL) {
+ if (!c4iw_handlers[opcode]) {
pr_info("%s no handler opcode 0x%x...\n", __func__,
opcode);
kfree_skb(skb);
@@ -1149,7 +1149,7 @@ static int c4iw_uld_rx_handler(void *handle, const __be64 *rsp,
struct sk_buff *skb;
u8 opcode;

- if (gl == NULL) {
+ if (!gl) {
/* omit RSS and rsp_ctrl at end of descriptor */
unsigned int len = 64 - sizeof(struct rsp_ctrl) - 8;

--
2.11.1