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timer: Add parenthesis around timer_setup() macro arguments

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In the case where expressions are passed as macro arguments, the LOCKDEP
version of the timer macros need enclosing parenthesis.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20171101143250.GA65266@beast
This commit is contained in:
Kees Cook 2017-11-01 07:32:50 -07:00 committed by Thomas Gleixner
parent 39c82caff8
commit 00ed87da35
1 changed files with 5 additions and 4 deletions
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9
include/linux/timer.h
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@ -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) \