Oh, it is duplicated with "[PATCH] ide: Make ide_cdrom_prep_fs()
initialize the sense buffer pointer"
please ignore it.
//Hongxu
On 2017年11月02日 10:31, Hongxu Jia wrote:
- memset(req->cmd, 0, BLK_MAX_CDB) is called once instead of twice.
- The sense buffer pointer gets initialized.
Fixes: 79d73346ac05 ("ide:ide-cd: fix kernel panic resulting from missing scsi_req_init")
Suggested-by: Bart Van Assche <Bart.VanAssche@xxxxxxx>
Signed-off-by: Hongxu Jia <hongxu.jia@xxxxxxxxxxxxx>
---
drivers/ide/ide-cd.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index a7355ab..09b5bdb 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1328,8 +1328,7 @@ 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);
- scsi_req_init(req);
- memset(req->cmd, 0, BLK_MAX_CDB);
+ q->initialize_rq_fn(rq);
if (rq_data_dir(rq) == READ)
req->cmd[0] = GPCMD_READ_10;
