drm/radeon: fix PM on non-vram cards.

[safe/jmp/linux-2.6] / fs / ubifs / master.c

diff --git a/fs/ubifs/master.c b/fs/ubifs/master.c
index 6f95a16..28beaee 100644 (file)
--- a/fs/ubifs/master.c
+++ b/fs/ubifs/master.c
@@ -29,7 +29,8 @@
  * @c: UBIFS file-system description object
  *
  * This function scans the master node LEBs and search for the latest master
- * node. Returns zero in case of success and a negative error code in case of
+ * node. Returns zero in case of success, %-EUCLEAN if there master area is
+ * corrupted and requires recovery, and a negative error code in case of
  * failure.
  */
 static int scan_for_master(struct ubifs_info *c)
@@ -48,7 +49,7 @@ static int scan_for_master(struct ubifs_info *c)
                snod = list_entry(sleb->nodes.prev, struct ubifs_scan_node,
                                  list);
                if (snod->type != UBIFS_MST_NODE)
-                       goto out;
+                       goto out_dump;
                memcpy(c->mst_node, snod->node, snod->len);
                offs = snod->offs;
        }
@@ -65,7 +66,7 @@ static int scan_for_master(struct ubifs_info *c)
                goto out;
        snod = list_entry(sleb->nodes.prev, struct ubifs_scan_node, list);
        if (snod->type != UBIFS_MST_NODE)
-               goto out;
+               goto out_dump;
        if (snod->offs != offs)
                goto out;
        if (memcmp((void *)c->mst_node + UBIFS_CH_SZ,
@@ -78,6 +79,12 @@ static int scan_for_master(struct ubifs_info *c)
 
 out:
        ubifs_scan_destroy(sleb);
+       return -EUCLEAN;
+
+out_dump:
+       ubifs_err("unexpected node type %d master LEB %d:%d",
+                 snod->type, lnum, snod->offs);
+       ubifs_scan_destroy(sleb);
        return -EINVAL;
 }
 
@@ -256,7 +263,8 @@ int ubifs_read_master(struct ubifs_info *c)
 
        err = scan_for_master(c);
        if (err) {
-               err = ubifs_recover_master_node(c);
+               if (err == -EUCLEAN)
+                       err = ubifs_recover_master_node(c);
                if (err)
                        /*
                         * Note, we do not free 'c->mst_node' here because the