From: Yu Kuai yukuai3@huawei.com
[ Upstream commit f0ddb83da3cbbf8a1f9087a642c448ff52ee9abd ]
In raid10_run(), if setup_conf() succeed and raid10_run() failed before setting 'mddev->thread', then in the error path 'conf->thread' is not freed.
Fix the problem by setting 'mddev->thread' right after setup_conf().
Fixes: 43a521238aca ("md-cluster: choose correct label when clustered layout is not supported") Signed-off-by: Yu Kuai yukuai3@huawei.com Signed-off-by: Song Liu song@kernel.org Link: https://lore.kernel.org/r/20230310073855.1337560-7-yukuai1@huaweicloud.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/md/raid10.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 51f122db9668e..c6a196a10f894 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3752,6 +3752,9 @@ static int raid10_run(struct mddev *mddev) if (!conf) goto out;
+ mddev->thread = conf->thread; + conf->thread = NULL; + if (mddev_is_clustered(conf->mddev)) { int fc, fo;
@@ -3764,9 +3767,6 @@ static int raid10_run(struct mddev *mddev) } }
- mddev->thread = conf->thread; - conf->thread = NULL; - if (mddev->queue) { blk_queue_max_discard_sectors(mddev->queue, mddev->chunk_sectors);