diff options
| author | Jeff Garzik <jeff@garzik.org> | 2007-02-02 08:31:55 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-02-02 08:31:55 -0500 |
| commit | ae2c27a78f1df5b0967069cd3b916cff1eb044c8 (patch) | |
| tree | e67f1012e76185bac2e78bb04caa68ed1f7dc2a2 /fs/proc/base.c | |
| parent | a608ab9cb6a5050394498b2520c6e7c162f4e2cf (diff) | |
| parent | e34efe3b100d0fbdf053128956c3dd0bc68754d6 (diff) | |
Merge ../linux-2.6
Diffstat (limited to 'fs/proc/base.c')
| -rw-r--r-- | fs/proc/base.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index ff7a66850602..1a979ea3b379 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -2328,13 +2328,23 @@ static int proc_task_readdir(struct file * filp, void * dirent, filldir_t filldi { struct dentry *dentry = filp->f_path.dentry; struct inode *inode = dentry->d_inode; - struct task_struct *leader = get_proc_task(inode); + struct task_struct *leader = NULL; struct task_struct *task; int retval = -ENOENT; ino_t ino; int tid; unsigned long pos = filp->f_pos; /* avoiding "long long" filp->f_pos */ + task = get_proc_task(inode); + if (!task) + goto out_no_task; + rcu_read_lock(); + if (pid_alive(task)) { + leader = task->group_leader; + get_task_struct(leader); + } + rcu_read_unlock(); + put_task_struct(task); if (!leader) goto out_no_task; retval = 0; |