diff options
Diffstat (limited to 'lib/dec_and_lock.c')
| -rw-r--r-- | lib/dec_and_lock.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/dec_and_lock.c b/lib/dec_and_lock.c index a65c3145554..e26278576b3 100644 --- a/lib/dec_and_lock.c +++ b/lib/dec_and_lock.c @@ -1,6 +1,6 @@ -#include <linux/module.h> +#include <linux/export.h> #include <linux/spinlock.h> -#include <asm/atomic.h> +#include <linux/atomic.h> /* * This is an implementation of the notion of "decrement a @@ -19,11 +19,10 @@ */ int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock) { -#ifdef CONFIG_SMP /* Subtract 1 from counter unless that drops it to 0 (ie. it was 1) */ if (atomic_add_unless(atomic, -1, 1)) return 0; -#endif + /* Otherwise do it the slow way */ spin_lock(lock); if (atomic_dec_and_test(atomic)) |