diff options
| author | Andrew Morton <akpm@osdl.org> | 2004-12-12 16:29:38 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-12-12 16:29:38 -0800 |
| commit | b9528b67a1b5055b4071734fabbe410461fb24a8 (patch) | |
| tree | 01b490bca227a05e0d0b9b745cc6199a073967d6 /fs/proc/array.c | |
| parent | 09775c85f777afee9ce408034e405837742319eb (diff) | |
[PATCH] do_task_stat() use pid_alive()
Use pid_alive() rather than testing for a zero value of ->pid. Is the right
thing to do and addresses an oops dereferencing real_parent which one person
reported.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/proc/array.c')
| -rw-r--r-- | fs/proc/array.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index f5ad3980b0ff..ab3784acd70f 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -370,7 +370,7 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) stime += task->signal->stime; } } - ppid = task->pid ? task->group_leader->real_parent->tgid : 0; + ppid = pid_alive(task) ? task->group_leader->real_parent->tgid : 0; read_unlock(&tasklist_lock); if (!whole || num_threads<2) |