linux-kernel - RE: [PATCH -2nd repost 2/4] SCSI: remove unnecessary NULL test

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Date:	Wed, 4 Nov 2009 10:18:42 -0800
From:	"Karen Xie" <kxie@...lsio.com>
To:	"Jiri Slaby" <jirislaby@...il.com>, <James.Bottomley@...e.de>
Cc:	<aacraid@...ptec.com>, <james.smart@...lex.com>,
	<linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH -2nd repost 2/4] SCSI: remove unnecessary NULL test

Yes, the check is not necessary.

Thanks,
Karen

-----Original Message-----
From: linux-scsi-owner@...r.kernel.org
[mailto:linux-scsi-owner@...r.kernel.org] On Behalf Of Jiri Slaby
Sent: Wednesday, November 04, 2009 8:15 AM
To: James.Bottomley@...e.de
Cc: aacraid@...ptec.com; james.smart@...lex.com;
linux-scsi@...r.kernel.org; linux-kernel@...r.kernel.org; Jiri Slaby
Subject: [PATCH -2nd repost 2/4] SCSI: remove unnecessary NULL test

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@...il.com>
Cc: James E.J. Bottomley <James.Bottomley@...e.de>
---
 drivers/scsi/cxgb3i/cxgb3i_pdu.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/cxgb3i/cxgb3i_pdu.c
b/drivers/scsi/cxgb3i/cxgb3i_pdu.c
index 7091050..64bbc28 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_pdu.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_pdu.c
@@ -461,10 +461,8 @@ void cxgb3i_conn_pdu_ready(struct s3_conn *c3cn)
 		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) {
-- 
1.6.4.2

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