[JFFS2] JFFS2 fixes

JFFS2 fixes.
Signed-off-by: Todd Poynor <tpoynor@mvista.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

fs/jffs2/nodelist.c

@@ -127,7 +127,7 @@ int jffs2_get_inode_nodes(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 
 	valid_ref = jffs2_first_valid_node(f->inocache->nodes);
 
-	if (!valid_ref)
+	if (!valid_ref && (f->inocache->ino != 1))
 		printk(KERN_WARNING "Eep. No valid nodes for ino #%u\n", f->inocache->ino);
 
 	while (valid_ref) {

fs/jffs2/wbuf.c

@@ -532,6 +532,9 @@ int jffs2_flush_wbuf_gc(struct jffs2_sb_info *c, uint32_t ino)
 
 	D1(printk(KERN_DEBUG "jffs2_flush_wbuf_gc() called for ino #%u...\n", ino));
 
+	if (!c->wbuf)
+		return 0;
+
 	down(&c->alloc_sem);
 	if (!jffs2_wbuf_pending_for_ino(c, ino)) {
 		D1(printk(KERN_DEBUG "Ino #%d not pending in wbuf. Returning\n", ino));
@@ -578,6 +581,9 @@ int jffs2_flush_wbuf_pad(struct jffs2_sb_info *c)
 {
 	int ret;
 
+	if (!c->wbuf)
+		return 0;
+
 	down_write(&c->wbuf_sem);
 	ret = __jffs2_flush_wbuf(c, PAD_NOACCOUNT);
 	up_write(&c->wbuf_sem);