bcache: fix BUG_ON due to integer overflow with GC_SECTORS_USED

[pandora-kernel.git] / drivers / md / bcache / btree.c

diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 98cc0a8..7d42118 100644 (file)
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1167,7 +1167,7 @@ uint8_t __bch_btree_mark_key(struct cache_set *c, int level, struct bkey *k)
                /* guard against overflow */
                SET_GC_SECTORS_USED(g, min_t(unsigned,
                                             GC_SECTORS_USED(g) + KEY_SIZE(k),
-                                            (1 << 14) - 1));
+                                            MAX_GC_SECTORS_USED));
 
                BUG_ON(!GC_SECTORS_USED(g));
        }