diff options
| -rw-r--r-- | fs/proc/base.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index fb34f88a4a74..3b33f94020db 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -343,7 +343,8 @@ static int proc_root_link(struct inode *inode, struct dentry **dentry, struct vf /* Same as proc_root_link, but this addionally tries to get fs from other * threads in the group */ -static int proc_task_root_link(struct inode *inode, struct dentry **dentry, struct vfsmount **mnt) +static int proc_task_root_link(struct inode *inode, struct dentry **dentry, + struct vfsmount **mnt) { struct fs_struct *fs; int result = -ENOENT; @@ -357,9 +358,10 @@ static int proc_task_root_link(struct inode *inode, struct dentry **dentry, stru } else { /* Try to get fs from other threads */ task_unlock(leader); - struct task_struct *task = leader; read_lock(&tasklist_lock); - if (pid_alive(task)) { + if (pid_alive(leader)) { + struct task_struct *task = leader; + while ((task = next_thread(task)) != leader) { task_lock(task); fs = task->fs; |