lkml.org 
[lkml]   [2023]   [Nov]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] hrtimer: Make the argument passed to lockdep_hrtimer_exit() look used.
The lockdep_hrtimer_enter() macro returns a value which is then saved in
a local variable. The value is then fed to lockdep_hrtimer_exit(). In
case lockdep is disabled then the value remains unused leading to a "set
but not used" warning by the compiler.

Make the content passed to lockdep_hrtimer_exit() look used so the
compiler does not complain about it.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202311191229.55QXHVc6-lkp@intel.com/
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
include/linux/irqflags.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
index 2b665c32f5fe6..2e09c269bf9d8 100644
--- a/include/linux/irqflags.h
+++ b/include/linux/irqflags.h
@@ -126,7 +126,7 @@ do { \
# define lockdep_softirq_enter() do { } while (0)
# define lockdep_softirq_exit() do { } while (0)
# define lockdep_hrtimer_enter(__hrtimer) false
-# define lockdep_hrtimer_exit(__context) do { } while (0)
+# define lockdep_hrtimer_exit(__context) do { (void)(__context); } while (0)
# define lockdep_posixtimer_enter() do { } while (0)
# define lockdep_posixtimer_exit() do { } while (0)
# define lockdep_irq_work_enter(__work) do { } while (0)
--
2.42.0
\
 
 \ /
  Last update: 2023-11-20 16:41    [W:0.081 / U:0.132 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site