From: Damien Le Moal <damien.lemoal@xxxxxxx> scsi_io_init() may fail, leaving a zone of a zoned block device locked. Fix this by properly unlocking the write same request target zone if scsi_io_init() fails. Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx --- drivers/scsi/sd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index f9d1432..e60a309 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -948,6 +948,10 @@ static int sd_setup_write_same_cmnd(struct scsi_cmnd *cmd) rq->__data_len = sdp->sector_size; ret = scsi_init_io(cmd); rq->__data_len = nr_bytes; + + if (sd_is_zoned(sdkp) && ret != BLKPREP_OK) + sd_zbc_write_unlock_zone(cmd); + return ret; } -- 2.9.3
