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| author | Maxime Ripard <maxime@cerno.tech> | 2021-04-26 14:03:09 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2021-04-26 14:03:09 +0200 |
| commit | 355b60296143a090039211c5f0e1463f84aab65a (patch) | |
| tree | b74d4ef2aea66252ea9cf77c847de6c6e72a02b7 /block/partitions | |
| parent | 91185d55b32e7e377f15fb46a62b216f8d3038d4 (diff) | |
| parent | a1a1ca70deb3ec600eeabb21de7f3f48aaae5695 (diff) | |
Merge drm/drm-next into drm-misc-next
Christian needs some patches from drm/next
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'block/partitions')
| -rw-r--r-- | block/partitions/core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c index 1a7558917c47..46f055bc7ecb 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -323,6 +323,13 @@ static struct block_device *add_partition(struct gendisk *disk, int partno, int err; /* + * disk_max_parts() won't be zero, either GENHD_FL_EXT_DEVT is set + * or 'minors' is passed to alloc_disk(). + */ + if (partno >= disk_max_parts(disk)) + return ERR_PTR(-EINVAL); + + /* * Partitions are not supported on zoned block devices that are used as * such. */ |