[JFFS2][XATTR] Fix memory leak with jffs2_xattr_ref

If xattr_ref is associated with an orphan inode_cache
on filesystem mounting, those xattr_refs are not
released even if this inode_cache is released.

This patch enables to call jffs2_xattr_delete_inode()
for such a irregular inode_cachde too.

Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c
index 927dfe42ba76..7675b33396c7 100644
--- a/fs/jffs2/nodelist.c
+++ b/fs/jffs2/nodelist.c
@@ -906,6 +906,9 @@ void jffs2_del_ino_cache(struct jffs2_sb_info *c, struct jffs2_inode_cache *old)
 {
         struct jffs2_inode_cache **prev;
 
+#ifdef CONFIG_JFFS2_FS_XATTR
+        BUG_ON(old->xref);
+#endif
         dbg_inocache("del %p (ino #%u)\n", old, old->ino);
         spin_lock(&c->inocache_lock);