md-cluster: Fix potential error pointer dereference in resize_bitmaps()
[ Upstream commite8abe1de43
] 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:afd7562860
("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>
This commit is contained in:
parent
3fcd24040f
commit
8645225c71
|
@ -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;
|
||||
|
|
Loading…
Reference in New Issue