diff options
| author | Greg Kroah-Hartman | 2019-05-03 18:03:47 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-05-03 18:03:47 +0200 |
| commit | 12456e509be25d24fe479394852428517922d02a (patch) | |
| tree | 8b1e8e1025ce1beb350bbf977ac8b8ffdd5fbfa1 /fs/hugetlbfs/inode.c | |
| parent | Merge tag 'usb-serial-5.2-rc1' of https://git.kernel.org/pub/scm/linux/kernel... (diff) | |
| parent | Linux 5.1-rc7 (diff) | |
| download | kernel-qcow2-linux-12456e509be25d24fe479394852428517922d02a.tar.gz kernel-qcow2-linux-12456e509be25d24fe479394852428517922d02a.tar.xz kernel-qcow2-linux-12456e509be25d24fe479394852428517922d02a.zip | |
Merge 5.1-rc7 into usb-next
We need this to make the usb-gadget branch merge cleaner. And for
testing to keep from hitting the same issues already fixed.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 ec32fece5e1e..9285dd4f4b1c 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -755,11 +755,17 @@ 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) { @@ -794,8 +800,10 @@ 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; } |