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[PATCH] SCSI: remove one useless stack variable

Started byMing Lei <tom.leiming@gmail.com>
First post2016-10-10 17:30 +0200
Last post2016-10-12 01:30 +0200
Articles 3 — 3 participants

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  [PATCH] SCSI: remove one useless stack variable Ming Lei <tom.leiming@gmail.com> - 2016-10-10 17:30 +0200
    Re: [PATCH] SCSI: remove one useless stack variable Christoph Hellwig <hch@lst.de> - 2016-10-10 19:00 +0200
    Re: [PATCH] SCSI: remove one useless stack variable "Martin K. Petersen" <martin.petersen@oracle.com> - 2016-10-12 01:30 +0200

#1498384 — [PATCH] SCSI: remove one useless stack variable

FromMing Lei <tom.leiming@gmail.com>
Date2016-10-10 17:30 +0200
Subject[PATCH] SCSI: remove one useless stack variable
Message-ID<sqKGC-2TG-5@gated-at.bofh.it>
The local variable of 'devname' in scsi_report_lun_scan()
isn't used any more, so remove it.

Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
 drivers/scsi/scsi_scan.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index bb9b58e21d95..6f7128f49c30 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1307,7 +1307,6 @@ static void scsi_sequential_lun_scan(struct scsi_target *starget,
 static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,
 				enum scsi_scan_mode rescan)
 {
-	char devname[64];
 	unsigned char scsi_cmd[MAX_COMMAND_SIZE];
 	unsigned int length;
 	u64 lun;
@@ -1349,9 +1348,6 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,
 		}
 	}
 
-	sprintf(devname, "host %d channel %d id %d",
-		shost->host_no, sdev->channel, sdev->id);
-
 	/*
 	 * Allocate enough to hold the header (the same size as one scsi_lun)
 	 * plus the number of luns we are requesting.  511 was the default
-- 
2.7.4

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#1498430

FromChristoph Hellwig <hch@lst.de>
Date2016-10-10 19:00 +0200
Message-ID<sqM5H-3BM-3@gated-at.bofh.it>
In reply to#1498384
On Mon, Oct 10, 2016 at 11:25:33PM +0800, Ming Lei wrote:
> The local variable of 'devname' in scsi_report_lun_scan()
> isn't used any more, so remove it.

Looks fine,

Reviewed-by: Christoph Hellwig <hch@lst.de>

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#1499289

From"Martin K. Petersen" <martin.petersen@oracle.com>
Date2016-10-12 01:30 +0200
Message-ID<sreEF-4Dp-5@gated-at.bofh.it>
In reply to#1498384
>>>>> "Ming" == Ming Lei <tom.leiming@gmail.com> writes:

Ming> The local variable of 'devname' in scsi_report_lun_scan() isn't
Ming> used any more, so remove it.

Applied to 4.9/scsi-fixes.

-- 
Martin K. Petersen	Oracle Linux Engineering

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