From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit e8abe1de43dac658dacbd04a4543e0c988a8d386 ]
The error handling calls md_bitmap_free(bitmap) which checks for NULL but will Oops if we pass an error pointer. Let's set "bitmap" to NULL on this error path.
Fixes: afd756286083 ("md-cluster/raid10: resize all the bitmaps before start reshape") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Reviewed-by: Guoqing Jiang guoqing.jiang@cloud.ionos.com Signed-off-by: Song Liu songliubraving@fb.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/md/md-cluster.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index 73fd50e779754..d50737ec40394 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -1139,6 +1139,7 @@ static int resize_bitmaps(struct mddev *mddev, sector_t newsize, sector_t oldsiz bitmap = get_bitmap_from_slot(mddev, i); if (IS_ERR(bitmap)) { pr_err("can't get bitmap from slot %d\n", i); + bitmap = NULL; goto out; } counts = &bitmap->counts;