Merge branch 'writeback-for-2.6.34' into nfs-for-2.6.34

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/proc/array.c b/fs/proc/array.c
index 13b5d0708175..18e20feee251 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -270,7 +270,9 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p)
                 blocked = p->blocked;
                 collect_sigign_sigcatch(p, &ignored, &caught);
                 num_threads = atomic_read(&p->signal->count);
+                rcu_read_lock();  /* FIXME: is this correct? */
                 qsize = atomic_read(&__task_cred(p)->user->sigpending);
+                rcu_read_unlock();
                 qlim = p->signal->rlim[RLIMIT_SIGPENDING].rlim_cur;
                 unlock_task_sighand(p, &flags);
         }