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| author | Julia Lawall <Julia.Lawall@inria.fr> | 2023-06-23 23:14:43 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-08-21 14:52:11 +0200 |
| commit | 07a3bb95ea1f7fa77e360cf3b0f06dff41dbf391 (patch) | |
| tree | d75c17db58a31d12e5efc6bacf8397bae96a3718 /fs/btrfs/zoned.c | |
| parent | Linux 6.5-rc7 (diff) | |
| download | linux-07a3bb95ea1f7fa77e360cf3b0f06dff41dbf391.tar.xz linux-07a3bb95ea1f7fa77e360cf3b0f06dff41dbf391.zip | |
btrfs: zoned: use vcalloc instead of for vzalloc in btrfs_get_dev_zone_info
Use vcalloc that checks potential multiplication overflows. The changes
were done using Coccinelle semantic patch.
Reviewed-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/zoned.c')
| -rw-r--r-- | fs/btrfs/zoned.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 72b90bc19a19..b43c4536e685 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -465,8 +465,8 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device, bool populate_cache) * use the cache. */ if (populate_cache && bdev_is_zoned(device->bdev)) { - zone_info->zone_cache = vzalloc(sizeof(struct blk_zone) * - zone_info->nr_zones); + zone_info->zone_cache = vcalloc(zone_info->nr_zones, + sizeof(struct blk_zone)); if (!zone_info->zone_cache) { btrfs_err_in_rcu(device->fs_info, "zoned: failed to allocate zone cache for %s", |