linux-kernel - [PATCH] null_blk: fix blk_mq_init

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1420711456-17257-1-git-send-email-j@bitron.ch>
Date:	Thu,  8 Jan 2015 11:04:16 +0100
From:	Jürg Billeter <j@...ron.ch>
To:	Jens Axboe <axboe@...com>
Cc:	linux-kernel@...r.kernel.org,
	Jürg Billeter <j@...ron.ch>
Subject: [PATCH] null_blk: fix blk_mq_init_queue() error handling

blk_mq_init_queue() returns ERR_PTR() on failure, not NULL.

Signed-off-by: Jürg Billeter <j@...ron.ch>
---
 drivers/block/null_blk.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index ae9f615..727309c 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -530,8 +530,8 @@ static int null_add_dev(void)
 			goto out_cleanup_queues;
 
 		nullb->q = blk_mq_init_queue(&nullb->tag_set);
-		if (!nullb->q) {
-			rv = -ENOMEM;
+		if (IS_ERR(nullb->q)) {
+			rv = PTR_ERR(nullb->q);
 			goto out_cleanup_tags;
 		}
 	} else if (queue_mode == NULL_Q_BIO) {
-- 
2.2.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/