---

yaml --- r: 309733 b: refs/heads/master c: 43e13cc h: refs/heads/master i: 309731: ea4126c v: v3
git-mirror · Jun 1, 2012 · a36ad70 · a36ad70
1 parent cf59cfe
commit a36ad70
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Showing 3 changed files with 5 additions and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9b3c98cd663750c33434572ff76ba306505eba5a
+refs/heads/master: 43e13cc107cf6cd3c15fbe1cef849435c2223d50
diff --git a/trunk/include/linux/cred.h b/trunk/include/linux/cred.h
@@ -277,17 +277,13 @@ static inline void put_cred(const struct cred *_cred)
  * @task: The task to query
  *
  * Access the objective credentials of a task.  The caller must hold the RCU
- * readlock or the task must be dead and unable to change its own credentials.
+ * readlock.
  *
  * The result of this function should not be passed directly to get_cred();
  * rather get_task_cred() should be used instead.
  */
-#define __task_cred(task)						\
-	({								\
-		const struct task_struct *__t = (task);			\
-		rcu_dereference_check(__t->real_cred,			\
-				      task_is_dead(__t));		\
-	})
+#define __task_cred(task)	\
+	rcu_dereference((task)->real_cred)
 
 /**
  * get_current_cred - Get the current task's subjective credentials

diff --git a/trunk/kernel/exit.c b/trunk/kernel/exit.c
@@ -1214,7 +1214,7 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
 	unsigned long state;
 	int retval, status, traced;
 	pid_t pid = task_pid_vnr(p);
-	uid_t uid = from_kuid_munged(current_user_ns(), __task_cred(p)->uid);
+	uid_t uid = from_kuid_munged(current_user_ns(), task_uid(p));
 	struct siginfo __user *infop;
 
 	if (!likely(wo->wo_flags & WEXITED))