diff options
-rw-r--r-- | fs/debugfs/inode.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 1488e13d6221..1278abacad05 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -622,6 +622,13 @@ struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry, struct dentry *dentry = NULL, *trap; struct name_snapshot old_name; + if (IS_ERR(old_dir)) + return old_dir; + if (IS_ERR(new_dir)) + return new_dir; + if (IS_ERR_OR_NULL(old_dentry)) + return old_dentry; + trap = lock_rename(new_dir, old_dir); /* Source or destination directories don't exist? */ if (!old_dir->d_inode || !new_dir->d_inode) |