null_blk: Fix zoned command return code

The return code from null_handle_zoned() sets the cmd->error value.
Returning OK status when an error occured overwrites the intended
cmd->error. Return the appropriate error code instead of setting the
error in the cmd.

Fixes: fceb5d1b19cbe626 ("null_blk: create a helper for zoned devices")
Cc: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c
index eabc116832a7ea47f22d4634926b521ce7206002..3d7fdea872f88d2f7337b66bafdce2a3c5051417 100644 (file)
--- a/drivers/block/null_blk_zoned.c
+++ b/drivers/block/null_blk_zoned.c
@@ -142,8 +142,7 @@ static blk_status_t null_zone_reset(struct nullb_cmd *cmd, sector_t sector)
                zone->wp = zone->start;
                break;
        default:
-               cmd->error = BLK_STS_NOTSUPP;
-               break;
+               return BLK_STS_NOTSUPP;
        }
        return BLK_STS_OK;
 }