diff options
| author | Zhiqiang Liu <liuzhiqiang26@huawei.com> | 2019-12-10 10:42:25 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-12 11:24:10 +0100 |
| commit | 7455901cd8dfebd8a515b5a5597fdf4db674d76e (patch) | |
| tree | 8f52a40aadcce9390108852e86277dbbb78568b8 /drivers/md | |
| parent | ecbac9de94c0e165337eefa1e0adc573e01dff90 (diff) | |
md: raid1: check rdev before reference in raid1_sync_request func
[ Upstream commit 028288df635f5a9addd48ac4677b720192747944 ]
In raid1_sync_request func, rdev should be checked before reference.
Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/raid1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 9892c41de441..8a50da4f148f 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2633,7 +2633,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, write_targets++; } } - if (bio->bi_end_io) { + if (rdev && bio->bi_end_io) { atomic_inc(&rdev->nr_pending); bio->bi_iter.bi_sector = sector_nr + rdev->data_offset; bio->bi_bdev = rdev->bdev; |