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[1/4] fs/btrfs/inode.c: Add missing IS_ERR test

Message ID 1295898922-18822-2-git-send-email-julia@diku.dk (mailing list archive)
State New, archived
Headers show

Commit Message

Julia Lawall Jan. 24, 2011, 7:55 p.m. UTC 
None
diff mbox

Patch

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 160b55b..b322158 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4134,7 +4134,7 @@  struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
 	}
 	srcu_read_unlock(&root->fs_info->subvol_srcu, index);
 
-	if (root != sub_root) {
+	if (!IS_ERR(inode) && root != sub_root) {
 		down_read(&root->fs_info->cleanup_work_sem);
 		if (!(inode->i_sb->s_flags & MS_RDONLY))
 			btrfs_orphan_cleanup(sub_root);