bsg: fix the deadlock on discarding done commands

The previous commit introduced a deadlock in discarding commands,
because we forget to unlock the bd spinlock.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/block/bsg.c b/block/bsg.c
index 2f78d7d34b9d..5f4abc902a00 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -471,6 +471,7 @@ static int bsg_complete_all_commands(struct bsg_device *bd)
                         spin_unlock_irq(&bd->lock);
                         break;
                 }
+                spin_unlock_irq(&bd->lock);
 
                 bc = bsg_get_done_cmd(bd);
                 if (IS_ERR(bc))