diff options
| author | Steve French <sfrench@us.ibm.com> | 2007-02-07 00:30:38 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2007-02-07 00:30:38 +0000 |
| commit | 1d9564ea0ac72ef7c4068d66fe42ad23af4ff53f (patch) | |
| tree | fa63b4c1bbd775252f71d05fef4de6a904eb4448 /fs/proc/base.c | |
| parent | 87f440e70e07dace7db130f2f9fcea3f132aad8f (diff) | |
| parent | dda2ac15d23b38e4335e858848aa8c9a6710304f (diff) | |
| download | kernel-crypto-1d9564ea0ac72ef7c4068d66fe42ad23af4ff53f.tar.gz kernel-crypto-1d9564ea0ac72ef7c4068d66fe42ad23af4ff53f.tar.xz kernel-crypto-1d9564ea0ac72ef7c4068d66fe42ad23af4ff53f.zip | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/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 ff7a6685060..1a979ea3b37 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; |