From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Thu, 7 Jun 2007 11:24:06 +0000 (+0200)
Subject: bsg: fix the deadlock on discarding done commands
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=efba1a31f3f8fe9672eb96cd26e97fb96891f1c0;p=linux-beck.git

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>
---

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))