diff mbox

RDMA/cxgb4: move the dereference below the NULL test

Message ID CAPgLHd90sUPces1icGjKeisAWL3Cc3o+=g_6Lpps0+eCC8pCxQ@mail.gmail.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Wei Yongjun Sept. 7, 2012, 6:51 a.m. UTC 
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

The dereference should be moved below the NULL test.

spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 drivers/infiniband/hw/cxgb4/cm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


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Comments

Steve Wise Sept. 7, 2012, 1:20 p.m. UTC | #1 
Signed-off-by: Steve Wise <swise@opengridcomputing.com>

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Roland Dreier Sept. 11, 2012, 8:10 p.m. UTC | #2 
applied, thanks
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diff mbox

Patch

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 51f4206..6cfd4d8 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -1361,11 +1361,11 @@  static int abort_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
 	struct tid_info *t = dev->rdev.lldi.tids;
 
 	ep = lookup_tid(t, tid);
-	PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
 	if (!ep) {
 		printk(KERN_WARNING MOD "Abort rpl to freed endpoint\n");
 		return 0;
 	}
+	PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
 	mutex_lock(&ep->com.mutex);
 	switch (ep->com.state) {
 	case ABORTING: