From: Wei Yongjun <yongjun_...@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_...@trendmicro.com.cn>
---
 drivers/target/tcm_fc/tfc_io.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index ad36ede1..1b367a9 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -328,11 +328,12 @@ 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) {


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