scsi: Remove one useless stack variable

ming1 · martinkpetersen · commit 03eb6b8d314e · 2016-10-11T18:02:09.000-04:00
The local variable of 'devname' in scsi_report_lun_scan() isn't used any
more, so remove it.

Cc: Christoph Hellwig &lt;hch@lst.de&gt;
Signed-off-by: Ming Lei &lt;tom.leiming@gmail.com&gt;
Reviewed-by: Christoph Hellwig &lt;hch@lst.de&gt;
Signed-off-by: Martin K. Petersen &lt;martin.petersen@oracle.com&gt;
diff --git 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

Original file line number	Diff line number	Diff line change
`@@ -1307,7 +1307,6 @@ static void scsi_sequential_lun_scan(struct scsi_target *starget,`
`1307`	`1307`	`static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,`
`1308`	`1308`	`enum scsi_scan_mode rescan)`
`1309`	`1309`	`{`
`1310`		`- char devname[64];`
`1311`	`1310`	`unsigned char scsi_cmd[MAX_COMMAND_SIZE];`
`1312`	`1311`	`unsigned int length;`
`1313`	`1312`	`u64 lun;`
`@@ -1349,9 +1348,6 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,`
`1349`	`1348`	`}`
`1350`	`1349`	`}`
`1351`	`1350`
`1352`		`- sprintf(devname, "host %d channel %d id %d",`
`1353`		`- shost->host_no, sdev->channel, sdev->id);`
`1354`		`-`
`1355`	`1351`	`/*`
`1356`	`1352`	`* Allocate enough to hold the header (the same size as one scsi_lun)`
`1357`	`1353`	`* plus the number of luns we are requesting. 511 was the default`