The callers of sg_scsi_ioctl() already need to check for negative return values, so we can drop the usage of DRIVER_ERROR and return the error from blk_rq_map_kern() instead. Signed-off-by: Hannes Reinecke <hare@xxxxxxx> --- block/scsi_ioctl.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index f5e0ad65e86a..1ab1b8d9641c 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -485,9 +485,10 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, break; } - if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, GFP_NOIO)) { - err = DRIVER_ERROR << 24; - goto error; + if (bytes) { + err = blk_rq_map_kern(q, rq, buffer, bytes, GFP_NOIO); + if (err) + goto error; } blk_execute_rq(q, disk, rq, 0); -- 2.16.4