Merge JFFS2 updates from David Woodhouse
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index 7654e87..9ad5ba4 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -510,6 +510,10 @@
sumlen = c->sector_size - je32_to_cpu(sm->offset);
sumptr = buf + buf_size - sumlen;
+ /* sm->offset maybe wrong but MAGIC maybe right */
+ if (sumlen > c->sector_size)
+ goto full_scan;
+
/* Now, make sure the summary itself is available */
if (sumlen > buf_size) {
/* Need to kmalloc for this. */
@@ -544,6 +548,7 @@
}
}
+full_scan:
buf_ofs = jeb->offset;
if (!buf_size) {