[PATCH 8/9] rcu: Make segcblist flags test strict

[Frederic Weisbecker <frederic@xxxxxxxxxx>]

While testing several flags at once, make sure that all of them verify
the test. This will be necessary to check if an rdp is (de-)offloading.

Signed-off-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
---
 kernel/rcu/rcu_segcblist.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/rcu_segcblist.h b/kernel/rcu/rcu_segcblist.h
index 620ca48e782b..36245efdf800 100644
--- a/kernel/rcu/rcu_segcblist.h
+++ b/kernel/rcu/rcu_segcblist.h
@@ -70,7 +70,7 @@ static inline void rcu_segcblist_clear_flags(struct rcu_segcblist *rsclp,
 static inline bool rcu_segcblist_test_flags(struct rcu_segcblist *rsclp,
 					    int flags)
 {
-	return READ_ONCE(rsclp->flags) & flags;
+	return (READ_ONCE(rsclp->flags) & flags) == flags;
 }
 
 /*
-- 
2.40.1