block: replace sizeof(rq->cmd) with BLK_MAX_CDB

This is a preparation for changing rq->cmd from the static array to a
pointer.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Boaz Harrosh <bharrosh@panasas.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/block/blk-core.c b/block/blk-core.c
index fe0d139..e6fdb28 100644 (file)
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -173,7 +173,7 @@ void blk_dump_rq_flags(struct request *rq, char *msg)
 
        if (blk_pc_request(rq)) {
                printk(KERN_INFO "  cdb: ");
-               for (bit = 0; bit < sizeof(rq->cmd); bit++)
+               for (bit = 0; bit < BLK_MAX_CDB; bit++)
                        printk("%02x ", rq->cmd[bit]);
                printk("\n");
        }

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index fe9df38..68e7f19 100644 (file)
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -782,7 +782,7 @@ static ide_startstop_t cdrom_start_seek_continuation(ide_drive_t *drive)
 
        sector_div(frame, queue_hardsect_size(drive->queue) >> SECTOR_BITS);
 
-       memset(rq->cmd, 0, sizeof(rq->cmd));
+       memset(rq->cmd, 0, BLK_MAX_CDB);
        rq->cmd[0] = GPCMD_SEEK;
        put_unaligned(cpu_to_be32(frame), (unsigned int *) &rq->cmd[2]);
 
@@ -1694,7 +1694,7 @@ static int ide_cdrom_prep_fs(struct request_queue *q, struct request *rq)
        long block = (long)rq->hard_sector / (hard_sect >> 9);
        unsigned long blocks = rq->hard_nr_sectors / (hard_sect >> 9);
 
-       memset(rq->cmd, 0, sizeof(rq->cmd));
+       memset(rq->cmd, 0, BLK_MAX_CDB);
 
        if (rq_data_dir(rq) == READ)
                rq->cmd[0] = GPCMD_READ_10;

diff --git a/drivers/ide/ide-cd_verbose.c b/drivers/ide/ide-cd_verbose.c
index 6ed7ca0..6490a2d 100644 (file)
--- a/drivers/ide/ide-cd_verbose.c
+++ b/drivers/ide/ide-cd_verbose.c
@@ -326,7 +326,7 @@ void ide_cd_log_error(const char *name, struct request *failed_command,
 
                printk(KERN_ERR "  The failed \"%s\" packet command "
                                "was: \n  \"", s);
-               for (i = 0; i < sizeof(failed_command->cmd); i++)
+               for (i = 0; i < BLK_MAX_CDB; i++)
                        printk(KERN_CONT "%02x ", failed_command->cmd[i]);
                printk(KERN_CONT "\"\n");
        }