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sched: Use lockdep-based checking on rcu_dereference()
[deliverable/linux.git]
/
kernel
/
sys.c
diff --git
a/kernel/sys.c
b/kernel/sys.c
index 26a6b73a6b85bbc2a4ee1e1392d3aa86d1e9a850..18bde979f346c46a8af621b62171912a1db98f5a 100644
(file)
--- a/
kernel/sys.c
+++ b/
kernel/sys.c
@@
-222,6
+222,7
@@
SYSCALL_DEFINE2(getpriority, int, which, int, who)
if (which > PRIO_USER || which < PRIO_PROCESS)
return -EINVAL;
+ rcu_read_lock();
read_lock(&tasklist_lock);
switch (which) {
case PRIO_PROCESS:
@@
-267,6
+268,7
@@
SYSCALL_DEFINE2(getpriority, int, which, int, who)
}
out_unlock:
read_unlock(&tasklist_lock);
+ rcu_read_unlock();
return retval;
}
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