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-rw-r--r--include/linux/pid.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/pid.h b/include/linux/pid.h
index b91f4732dc1..f84d532b5d2 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -152,7 +152,13 @@ pid_t pid_vnr(struct pid *pid);
hlist_for_each_entry_rcu((task), pos___, \
&pid->tasks[type], pids[type].node) {
+ /*
+ * Both old and new leaders may be attached to
+ * the same pid in the middle of de_thread().
+ */
#define while_each_pid_task(pid, type, task) \
+ if (type == PIDTYPE_PID) \
+ break; \
} \
} while (0)