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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-29 09:42:58 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-29 10:37:07 +0100 |
| commit | 0ce74d9296c971b2355c26984ad0bc538e34dd6c (patch) | |
| tree | 566d03e2a4f6b42dab9628cd82c93cd61d587467 /net/core/dst.c | |
| parent | 1cc4fff0b360aeffeedb7d6db5089d88dd861700 (diff) | |
| parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) | |
Merge branch 'linus' into timers/hrtimers
Conflicts:
sound/drivers/pcsp/pcsp.c
Semantic conflict:
sound/core/hrtimer.c
Diffstat (limited to 'net/core/dst.c')
| -rw-r--r-- | net/core/dst.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/core/dst.c b/net/core/dst.c index 09c1530f4681..57bc4d5b8d08 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -263,9 +263,11 @@ again: void dst_release(struct dst_entry *dst) { if (dst) { - WARN_ON(atomic_read(&dst->__refcnt) < 1); + int newrefcnt; + smp_mb__before_atomic_dec(); - atomic_dec(&dst->__refcnt); + newrefcnt = atomic_dec_return(&dst->__refcnt); + WARN_ON(newrefcnt < 0); } } EXPORT_SYMBOL(dst_release); |