[JFFS2] Avoid alloc/dealloc for zero sized nodes

Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 4 insertions, 6 deletions

diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index 081656c1d49e..8f0be5557ae9 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: readinode.c,v 1.120 2005/07/05 21:03:07 dwmw2 Exp $
+ * $Id: readinode.c,v 1.124 2005/07/07 15:45:29 dedekind Exp $
  *
  */
 
@@ -151,6 +151,9 @@ int jffs2_add_full_dnode_to_inode(struct jffs2_sb_info *c, struct jffs2_inode_in
 
         D1(printk(KERN_DEBUG "jffs2_add_full_dnode_to_inode(ino #%u, f %p, fn %p)\n", f->inocache->ino, f, fn));
 
+        if (unlikely(!fn->size))
+                return 0;
+
         newfrag = jffs2_alloc_node_frag();
         if (unlikely(!newfrag))
                 return -ENOMEM;
@@ -158,11 +161,6 @@ int jffs2_add_full_dnode_to_inode(struct jffs2_sb_info *c, struct jffs2_inode_in
         D2(printk(KERN_DEBUG "adding node %04x-%04x @0x%08x on flash, newfrag *%p\n",
                   fn->ofs, fn->ofs+fn->size, ref_offset(fn->raw), newfrag));
         
-        if (unlikely(!fn->size)) {
-                jffs2_free_node_frag(newfrag);
-                return 0;
-        }
-
         newfrag->ofs = fn->ofs;
         newfrag->size = fn->size;
         newfrag->node = fn;