diff options
Diffstat (limited to 'drivers/ide/ide-cd.c')
| -rw-r--r-- | drivers/ide/ide-cd.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 81e18f9628d0..7c3ed7c9af77 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -867,11 +867,16 @@ static void msf_from_bcd(struct atapi_msf *msf) int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense) { struct cdrom_info *info = drive->driver_data; - struct cdrom_device_info *cdi = &info->devinfo; + struct cdrom_device_info *cdi; unsigned char cmd[BLK_MAX_CDB]; ide_debug_log(IDE_DBG_FUNC, "enter"); + if (!info) + return -EIO; + + cdi = &info->devinfo; + memset(cmd, 0, BLK_MAX_CDB); cmd[0] = GPCMD_TEST_UNIT_READY; @@ -1328,7 +1333,7 @@ static int ide_cdrom_prep_fs(struct request_queue *q, struct request *rq) unsigned long blocks = blk_rq_sectors(rq) / (hard_sect >> 9); struct scsi_request *req = scsi_req(rq); - memset(req->cmd, 0, BLK_MAX_CDB); + q->initialize_rq_fn(rq); if (rq_data_dir(rq) == READ) req->cmd[0] = GPCMD_READ_10; |