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-rw-r--r--security/yama/yama_lsm.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c
index 8298e094f4f7..ffda91a4a1aa 100644
--- a/security/yama/yama_lsm.c
+++ b/security/yama/yama_lsm.c
@@ -250,15 +250,10 @@ int yama_task_prctl(int option, unsigned long arg2, unsigned long arg3,
} else {
struct task_struct *tracer;
- rcu_read_lock();
- tracer = find_task_by_vpid(arg2);
- if (tracer)
- get_task_struct(tracer);
- else
+ tracer = find_get_task_by_vpid(arg2);
+ if (!tracer) {
rc = -EINVAL;
- rcu_read_unlock();
-
- if (tracer) {
+ } else {
rc = yama_ptracer_add(tracer, myself);
put_task_struct(tracer);
}