From 00ed87da35e88a7a4d7f41673beab52ef828f12b Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Wed, 1 Nov 2017 07:32:50 -0700 Subject: [PATCH] timer: Add parenthesis around timer_setup() macro arguments In the case where expressions are passed as macro arguments, the LOCKDEP version of the timer macros need enclosing parenthesis. Reported-by: Stephen Rothwell Signed-off-by: Kees Cook Signed-off-by: Thomas Gleixner Link: https://lkml.kernel.org/r/20171101143250.GA65266@beast --- include/linux/timer.h | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/include/linux/timer.h b/include/linux/timer.h index 0995048..a1af92b 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -173,11 +173,12 @@ static inline void timer_setup_on_stack(struct timer_list *timer, * do want to keep the inline for argument type checking, though. */ # define timer_setup(timer, callback, flags) \ - __setup_timer(timer, (TIMER_FUNC_TYPE)callback, \ - (TIMER_DATA_TYPE)timer, flags) + __setup_timer((timer), (TIMER_FUNC_TYPE)(callback), \ + (TIMER_DATA_TYPE)(timer), (flags)) # define timer_setup_on_stack(timer, callback, flags) \ - __setup_timer_on_stack(timer, (TIMER_FUNC_TYPE)callback,\ - (TIMER_DATA_TYPE)timer, flags) + __setup_timer_on_stack((timer), \ + (TIMER_FUNC_TYPE)(callback), \ + (TIMER_DATA_TYPE)(timer), (flags)) #endif #define from_timer(var, callback_timer, timer_fieldname) \ -- 2.7.4