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| author | Stefan Agner <stefan.agner@toradex.com> | 2019-05-23 11:11:00 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2019-05-23 11:11:00 +0200 |
| commit | b794ea49ba3816c0d5cf05506964a8e69ce4efa3 (patch) | |
| tree | b0e884d810b1c68b5615995a974cb2707ae02224 /fs/hugetlbfs | |
| parent | 2136d9515afb95a10fe9c2a2da1b54d31caa2e42 (diff) | |
| parent | d59f5a01fa438635ae098b2e170a18644df73c06 (diff) | |
Merge tag 'v5.0.17' into toradex_5.0.y
This is the 5.0.17 stable release
Diffstat (limited to 'fs/hugetlbfs')
| -rw-r--r-- | fs/hugetlbfs/inode.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index a7fa037b876b..a3a3d256fb0e 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -741,11 +741,17 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, umode_t mode, dev_t dev) { struct inode *inode; - struct resv_map *resv_map; + struct resv_map *resv_map = NULL; - resv_map = resv_map_alloc(); - if (!resv_map) - return NULL; + /* + * Reserve maps are only needed for inodes that can have associated + * page allocations. + */ + if (S_ISREG(mode) || S_ISLNK(mode)) { + resv_map = resv_map_alloc(); + if (!resv_map) + return NULL; + } inode = new_inode(sb); if (inode) { @@ -780,8 +786,10 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, break; } lockdep_annotate_inode_mutex_key(inode); - } else - kref_put(&resv_map->refs, resv_map_release); + } else { + if (resv_map) + kref_put(&resv_map->refs, resv_map_release); + } return inode; } |