diff options
| author | Anton Altaparmakov <aia21@cantab.net> | 2006-01-03 12:51:07 +0000 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2006-01-03 12:51:07 +0000 |
| commit | d087e4bdd24ebe3ae3d0b265b6573ec901af4b4b (patch) | |
| tree | c2db1b4958bbf617a25398b7ef93d82006b26a17 /ipc/sem.c | |
| parent | 292d4ed32e35df4755052b5002e533348d1648fd (diff) | |
| parent | 88026842b0a760145aa71d69e74fbc9ec118ca44 (diff) | |
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'ipc/sem.c')
| -rw-r--r-- | ipc/sem.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ipc/sem.c b/ipc/sem.c index 19af028a3e380..cb5bb2a5df96f 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -381,6 +381,7 @@ static void update_queue (struct sem_array * sma) /* hands-off: q will disappear immediately after * writing q->status. */ + smp_wmb(); q->status = error; q = n; } else { @@ -461,6 +462,7 @@ static void freeary (struct sem_array *sma, int id) n = q->next; q->status = IN_WAKEUP; wake_up_process(q->sleeper); /* doesn't sleep */ + smp_wmb(); q->status = -EIDRM; /* hands-off q */ q = n; } |