[PATCH tip/core/rcu 2/4] rculist: Fix list_entry_rcu to read ptr with rcu_dereference_raw

[Paul E. McKenney]

From: Patrick Marlier <patrick.marlier@xxxxxxxxx>

Change to read effectively ptr with rcu_dereference_raw and not the
__ptr variable on the stack.

Signed-off-by: Patrick Marlier <patrick.marlier@xxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
 include/linux/rculist.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index 17c6b1f84a77..c881741fbacd 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -247,10 +247,7 @@ static inline void list_splice_init_rcu(struct list_head *list,
  * primitives such as list_add_rcu() as long as it's guarded by rcu_read_lock().
  */
 #define list_entry_rcu(ptr, type, member) \
-({ \
-	typeof(*ptr) __rcu *__ptr = (typeof(*ptr) __rcu __force *)ptr; \
-	container_of((typeof(ptr))rcu_dereference_raw(__ptr), type, member); \
-})
+	container_of((typeof(ptr))rcu_dereference_raw(ptr), type, member)
 
 /**
  * Where are list_empty_rcu() and list_first_entry_rcu()?
-- 
1.8.1.5

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