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 11:22:39 +0100 |
| commit | 32407154fa46970474f7028bd5169ab20efb02cb (patch) | |
| tree | 1c33fba580b9eaecd362cab47432bfee4f80022b | |
| parent | ebff557aca6bcc2beefc16ec6cac60de00262554 (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>
| -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 abb99515068b..096f3a2ba524 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2630,7 +2630,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp 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; |