Can "page" be NULL here? fs/fscache/page.c +712 705 page = results[0]; 706 _debug("gang %d [%lx]", n, page->index); ^^^^^^^^^^^ dereference 707 if (page->index > op->store_limit) { ^^^^^^^^^^^ dereference 708 fscache_stat(&fscache_n_store_pages_over_limit); 709 goto superseded; 710 } 711 712 if (page) { check 713 radix_tree_tag_set(&cookie->stores, page->index, 714 FSCACHE_COOKIE_STORING_TAG); 715 radix_tree_tag_clear(&cookie->stores, page->index, 716 FSCACHE_COOKIE_PENDING_TAG); 717 } 718 719 spin_unlock(&cookie->stores_lock); 720 spin_unlock(&object->lock); 721 722 if (page) { check 723 fscache_set_op_state(&op->op, "Store"); regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html