diff options
| author | Joel Stanley <joel@jms.id.au> | 2019-05-08 16:48:45 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2019-05-08 16:48:48 +0300 |
| commit | d09fc0c4bdfbcbe251df247b5a94e2a07dec9c2f (patch) | |
| tree | 893d98100d3ede2ff76905a67e1b9798c8c88868 /fs/hugetlbfs/inode.c | |
| parent | 76cc3bd0c342199b0bc0fd6afc7035274bf7a718 (diff) | |
| parent | 274ede3e1a5fb3d0fd33acafb08993e95972c51f (diff) | |
| download | linux-dev-5.0.tar.xz | |
Merge tag 'v5.0.14' into dev-5.0dev-5.0
This is the 5.0.14 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'fs/hugetlbfs/inode.c')
| -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; } |