ide: BUG() on unknown requests

Unsupported requests should be never handed down to device drivers
and the best thing we can do upon discovering such request inside
driver's ->do_request method is to just BUG().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 1 insertions, 8 deletions

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 6a1de2169709..695181120cdb 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -184,14 +184,7 @@ static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
         ide_hwif_t *hwif = drive->hwif;
 
         BUG_ON(drive->dev_flags & IDE_DFLAG_BLOCKED);
-
-        if (!blk_fs_request(rq)) {
-                blk_dump_rq_flags(rq, "ide_do_rw_disk - bad command");
-                if (rq->errors == 0)
-                        rq->errors = -EIO;
-                ide_complete_rq(drive, -EIO, ide_rq_bytes(rq));
-                return ide_stopped;
-        }
+        BUG_ON(!blk_fs_request(rq));
 
         ledtrig_ide_activity();