From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Fri, 7 Sep 2012 06:55:32 +0000 (+0800)
Subject: tcm_fc: move the dereference below the NULL test
X-Git-Tag: upstream/snapshot3+hdmi~6481^2~25
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7875f179085608c659b676be74d33a2e515d8f43;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

tcm_fc: move the dereference below the NULL test

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>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index d051102..b6fd4cf 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -327,11 +327,12 @@ drop:
  */
 void ft_invl_hw_context(struct ft_cmd *cmd)
 {
-	struct fc_seq *seq = cmd->seq;
+	struct fc_seq *seq;
 	struct fc_exch *ep = NULL;
 	struct fc_lport *lport = NULL;
 
 	BUG_ON(!cmd);
+	seq = cmd->seq;
 
 	/* Cleanup the DDP context in HW if DDP was setup */
 	if (cmd->was_ddp_setup && seq) {