summaryrefslogtreecommitdiffstats
path: root/kernel/exit.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index ceffc67b564a..03120229db28 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -771,9 +771,12 @@ static void forget_original_parent(struct task_struct *father)
struct task_struct *p, *n, *reaper;
LIST_HEAD(dead_children);
- exit_ptrace(father);
-
write_lock_irq(&tasklist_lock);
+ /*
+ * Note that exit_ptrace() and find_new_reaper() might
+ * drop tasklist_lock and reacquire it.
+ */
+ exit_ptrace(father);
reaper = find_new_reaper(father);
list_for_each_entry_safe(p, n, &father->children, sibling) {
@@ -1383,8 +1386,7 @@ static int wait_task_stopped(struct wait_opts *wo,
if (!unlikely(wo->wo_flags & WNOWAIT))
*p_code = 0;
- /* don't need the RCU readlock here as we're holding a spinlock */
- uid = __task_cred(p)->uid;
+ uid = task_uid(p);
unlock_sig:
spin_unlock_irq(&p->sighand->siglock);
if (!exit_code)
@@ -1457,7 +1459,7 @@ static int wait_task_continued(struct wait_opts *wo, struct task_struct *p)
}
if (!unlikely(wo->wo_flags & WNOWAIT))
p->signal->flags &= ~SIGNAL_STOP_CONTINUED;
- uid = __task_cred(p)->uid;
+ uid = task_uid(p);
spin_unlock_irq(&p->sighand->siglock);
pid = task_pid_vnr(p);