diff options
| author | James Morris <jmorris@namei.org> | 2009-06-19 08:20:55 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-06-19 08:20:55 +1000 |
| commit | d905163c5b23f6d8511971e06081a1b525e8a0bd (patch) | |
| tree | f76918c1be802ec068d37763466f5518efdb690e /lib/dec_and_lock.c | |
| parent | 44c2d9bdd7022ca7d240d5adc009296fc1c6ce08 (diff) | |
| parent | 0732f87761dbe417cb6e084b712d07e879e876ef (diff) | |
Merge branch 'master' into next
Diffstat (limited to 'lib/dec_and_lock.c')
| -rw-r--r-- | lib/dec_and_lock.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/dec_and_lock.c b/lib/dec_and_lock.c index a65c3145554..e73822aa6e9 100644 --- a/lib/dec_and_lock.c +++ b/lib/dec_and_lock.c @@ -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)) |