scsi: scsi_debug: Remove a set-but-not-used variable

This patch avoids that gcc reports the following warning when
building with W=1:

drivers/scsi/scsi_debug.c:2264:15: warning: variable ?pcontrol? set but not used [-Wunused-but-set-variable]

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 3be980d..77a0335 100644 (file)
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -2261,7 +2261,7 @@ static int resp_ie_l_pg(unsigned char * arr)
 static int resp_log_sense(struct scsi_cmnd * scp,
                           struct sdebug_dev_info * devip)
 {
-       int ppc, sp, pcontrol, pcode, subpcode, alloc_len, len, n;
+       int ppc, sp, pcode, subpcode, alloc_len, len, n;
        unsigned char arr[SDEBUG_MAX_LSENSE_SZ];
        unsigned char *cmd = scp->cmnd;
 
@@ -2272,7 +2272,6 @@ static int resp_log_sense(struct scsi_cmnd * scp,
                mk_sense_invalid_fld(scp, SDEB_IN_CDB, 1, ppc ? 1 : 0);
                return check_condition_result;
        }
-       pcontrol = (cmd[2] & 0xc0) >> 6;
        pcode = cmd[2] & 0x3f;
        subpcode = cmd[3] & 0xff;
        alloc_len = get_unaligned_be16(cmd + 7);