diff options
| -rw-r--r-- | lib/sbitmap.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/sbitmap.c b/lib/sbitmap.c index 864354000e04..5b382c1244ed 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c @@ -27,8 +27,9 @@ static inline bool sbitmap_deferred_clear(struct sbitmap *sb, int index) { unsigned long mask, val; bool ret = false; + unsigned long flags; - spin_lock_bh(&sb->map[index].swap_lock); + spin_lock_irqsave(&sb->map[index].swap_lock, flags); if (!sb->map[index].cleared) goto out_unlock; @@ -49,7 +50,7 @@ static inline bool sbitmap_deferred_clear(struct sbitmap *sb, int index) ret = true; out_unlock: - spin_unlock_bh(&sb->map[index].swap_lock); + spin_unlock_irqrestore(&sb->map[index].swap_lock, flags); return ret; } |