Messages in this thread Patch in this message | | | From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 2/4] rculist: Fix list_entry_rcu to read ptr with rcu_dereference_raw | Date | Tue, 12 May 2015 15:46:25 -0700 |
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From: Patrick Marlier <patrick.marlier@gmail.com>
Change to read effectively ptr with rcu_dereference_raw and not the __ptr variable on the stack.
Signed-off-by: Patrick Marlier <patrick.marlier@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> --- 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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