[JFFS2] Fix oops when marking space dirty in scan, but no previous no…

…de exists. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
git-mirror · May 28, 2006 · 2ebf09c · 2ebf09c
1 parent ddc58bd
commit 2ebf09c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c
@@ -1139,7 +1139,7 @@ int jffs2_scan_dirty_space(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb
 		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