diff options
| -rw-r--r-- | fs/ext4/extents.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index bc96529d1509..2ebc858fd392 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -549,6 +549,12 @@ int ext4_ext_precache(struct inode *inode) down_read(&ei->i_data_sem); depth = ext_depth(inode); + /* Don't cache anything if there are no external extent blocks */ + if (!depth) { + up_read(&ei->i_data_sem); + return ret; + } + path = kcalloc(depth + 1, sizeof(struct ext4_ext_path), GFP_NOFS); if (path == NULL) { @@ -556,9 +562,6 @@ int ext4_ext_precache(struct inode *inode) return -ENOMEM; } - /* Don't cache anything if there are no external extent blocks */ - if (depth == 0) - goto out; path[0].p_hdr = ext_inode_hdr(inode); ret = ext4_ext_check(inode, path[0].p_hdr, depth, 0); if (ret) |