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-rw-r--r--include/linux/list_bl.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/list_bl.h b/include/linux/list_bl.h
index 9ee97e7f2be..b2adbb4b2f7 100644
--- a/include/linux/list_bl.h
+++ b/include/linux/list_bl.h
@@ -16,7 +16,7 @@
16 * some fast and compact auxiliary data. 16 * some fast and compact auxiliary data.
17 */ 17 */
18 18
19#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) 19#if defined(CONFIG_SMP)
20#define LIST_BL_LOCKMASK 1UL 20#define LIST_BL_LOCKMASK 1UL
21#else 21#else
22#define LIST_BL_LOCKMASK 0UL 22#define LIST_BL_LOCKMASK 0UL
@@ -62,7 +62,8 @@ static inline void hlist_bl_set_first(struct hlist_bl_head *h,
62 struct hlist_bl_node *n) 62 struct hlist_bl_node *n)
63{ 63{
64 LIST_BL_BUG_ON((unsigned long)n & LIST_BL_LOCKMASK); 64 LIST_BL_BUG_ON((unsigned long)n & LIST_BL_LOCKMASK);
65 LIST_BL_BUG_ON(!((unsigned long)h->first & LIST_BL_LOCKMASK)); 65 LIST_BL_BUG_ON(((unsigned long)h->first & LIST_BL_LOCKMASK) !=
66 LIST_BL_LOCKMASK);
66 h->first = (struct hlist_bl_node *)((unsigned long)n | LIST_BL_LOCKMASK); 67 h->first = (struct hlist_bl_node *)((unsigned long)n | LIST_BL_LOCKMASK);
67} 68}
68 69