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| author | Jeff Garzik <jeff@garzik.org> | 2006-09-30 23:45:41 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-30 23:45:41 -0400 |
| commit | 1c7da74c4aab595a994beb5fe728ebf0d0b41f59 (patch) | |
| tree | 64128abdf9550ebb51d8f3ee6732d7350b9c62f2 /fs/proc/array.c | |
| parent | aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b (diff) | |
| parent | 1bdfd554be94def718323659173517c5d4a69d25 (diff) | |
Merge branch 'master' into upstream
Diffstat (limited to 'fs/proc/array.c')
| -rw-r--r-- | fs/proc/array.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index 0b615d62a15..c0e554971df 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -347,6 +347,8 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) sigemptyset(&sigign); sigemptyset(&sigcatch); cutime = cstime = utime = stime = cputime_zero; + + mutex_lock(&tty_mutex); read_lock(&tasklist_lock); if (task->sighand) { spin_lock_irq(&task->sighand->siglock); @@ -388,6 +390,7 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) } ppid = pid_alive(task) ? task->group_leader->real_parent->tgid : 0; read_unlock(&tasklist_lock); + mutex_unlock(&tty_mutex); if (!whole || num_threads<2) wchan = get_wchan(task); |