commit 2ebf09c2491433a499e0ae7723d04e9e810afa84
author David Woodhouse <dwmw2@infradead.org> Sun May 28 22:13:25 2006 +0100
committer David Woodhouse <dwmw2@infradead.org> Sun May 28 22:13:25 2006 +0100
tree 82b0c67ceffe6796f4f7c30af3e724c56095dcc2
parent ddc58bd65ebe58c243e9f609384825df9ffd04ad

[JFFS2] Fix oops when marking space dirty in scan, but no previous node exists.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

fs/jffs2/nodelist.c

diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c
index 5d36e9b..927dfe4 100644
--- a/fs/jffs2/nodelist.c
+++ b/fs/jffs2/nodelist.c
@@ -1139,7 +1139,7 @@
 		BUG();
 	}
 	/* REF_EMPTY_NODE is !obsolete, so that works OK */
-	if (ref_obsolete(jeb->last_node)) {
+	if (jeb->last_node && ref_obsolete(jeb->last_node)) {
 #ifdef TEST_TOTLEN
 		jeb->last_node->__totlen += size;
 #endif