Re: [PATCH -2nd repost 2/4] SCSI: remove unnecessary NULL test

From: Mike Christie
Date: Wed Nov 04 2009 - 11:22:36 EST

Adding Karen and removing adaptec since this is chelsio's driver.

Jiri Slaby wrote:
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 E.J. Bottomley <James.Bottomley@xxxxxxx>
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);
- 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) {

Looks ok to me. The null check was useless since we access c3cn all over the function and would have oopsed before we got there.

Reviewed-by: Mike Christie <michaelc@xxxxxxxxxxx>
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