RE: [patch 18/19] scsi: remove unnecessary NULL test

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Acked-by: Karen Xie <kxie@xxxxxxxxxxx>

-----Original Message-----
From: linux-scsi-owner@xxxxxxxxxxxxxxx
[mailto:linux-scsi-owner@xxxxxxxxxxxxxxx] On Behalf Of
akpm@xxxxxxxxxxxxxxxxxxxx
Sent: Monday, December 21, 2009 4:28 PM
To: James.Bottomley@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-scsi@xxxxxxxxxxxxxxx; akpm@xxxxxxxxxxxxxxxxxxxx;
jslaby@xxxxxxx; jirislaby@xxxxxxxxx; michaelc@xxxxxxxxxxx
Subject: [patch 18/19] scsi: remove unnecessary NULL test

From: Jiri Slaby <jslaby@xxxxxxx>
From: Jiri Slaby <jirislaby@xxxxxxxxx>

Stanse found that c3cn is poked many times around in
cxgb3i_conn_pdu_ready, there is no need to check if it is NULL.

Remove the test.

Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Mike Christie <michaelc@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/scsi/cxgb3i/cxgb3i_pdu.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff -puN
drivers/scsi/cxgb3i/cxgb3i_pdu.c~scsi-remove-unnecessary-null-test
drivers/scsi/cxgb3i/cxgb3i_pdu.c
--- a/drivers/scsi/cxgb3i/cxgb3i_pdu.c~scsi-remove-unnecessary-null-test
+++ a/drivers/scsi/cxgb3i/cxgb3i_pdu.c
@@ -461,10 +461,8 @@ void cxgb3i_conn_pdu_ready(struct s3_con
 		skb = skb_peek(&c3cn->receive_queue);
 	}
 	read_unlock(&c3cn->callback_lock);
-	if (c3cn) {
-		c3cn->copied_seq += read;
-		cxgb3i_c3cn_rx_credits(c3cn, read);
-	}
+	c3cn->copied_seq += read;
+	cxgb3i_c3cn_rx_credits(c3cn, read);
 	conn->rxdata_octets += read;
 
 	if (err) {
_
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