linux-kernel - [PATCH 23/30] scsi: initio: Remove unused variable 'prev'

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Date:   Fri, 12 Mar 2021 09:47:31 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org
Cc:     linux-kernel@...r.kernel.org,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Bas Vermeulen <bvermeul@...ckstar.xs4all.nl>,
        Christoph Hellwig <hch@....de>,
        Brian Macy <bmacy@...shinecomputing.com>,
        linux-scsi@...r.kernel.org
Subject: [PATCH 23/30] scsi: initio: Remove unused variable 'prev'

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/initio.c: In function ‘initio_find_busy_scb’:
 drivers/scsi/initio.c:869:30: warning: variable ‘prev’ set but not used [-Wunused-but-set-variable]

Cc: "James E.J. Bottomley" <jejb@...ux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@...cle.com>
Cc: Bas Vermeulen <bvermeul@...ckstar.xs4all.nl>
Cc: Christoph Hellwig <hch@....de>
Cc: Brian Macy <bmacy@...shinecomputing.com>
Cc: linux-scsi@...r.kernel.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/scsi/initio.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c
index 814acc57069dc..926a7045c2e5c 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -866,17 +866,16 @@ static void initio_unlink_busy_scb(struct initio_host * host, struct scsi_ctrl_b
 
 struct scsi_ctrl_blk *initio_find_busy_scb(struct initio_host * host, u16 tarlun)
 {
-	struct scsi_ctrl_blk *tmp, *prev;
+	struct scsi_ctrl_blk *tmp;
 	u16 scbp_tarlun;
 
 
-	prev = tmp = host->first_busy;
+	tmp = host->first_busy;
 	while (tmp != NULL) {
 		scbp_tarlun = (tmp->lun << 8) | (tmp->target);
 		if (scbp_tarlun == tarlun) {	/* Unlink this SCB              */
 			break;
 		}
-		prev = tmp;
 		tmp = tmp->next;
 	}
 #if DEBUG_QUEUE
-- 
2.27.0