[V2,01/15] arm: perf: cleanup cppcheck shifting error
diff mbox series

Message ID 20190624135105.15579-2-tranmanphong@gmail.com
State New
Headers show
Series
  • cleanup cppcheck signed shifting errors
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Commit Message

Phong Tran June 24, 2019, 1:50 p.m. UTC
fix "Shifting signed 32-bit value by 31 bits is undefined behaviour
errors"

[arch/arm/kernel/perf_event_v7.c:1080]: (error) Shifting signed 32-bit
value by 31 bits is undefined behaviour
[arch/arm/kernel/perf_event_v7.c:1436]: (error) Shifting signed 32-bit
value by 31 bits is undefined behaviour
[arch/arm/kernel/perf_event_v7.c:1783]: (error) Shifting signed 32-bit
value by 31 bits is undefined behaviour

Signed-off-by: Phong Tran <tranmanphong@gmail.com>
---
 arch/arm/kernel/perf_event_v7.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Patch
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diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index a4fb0f8b8f84..2924d7910b10 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -697,9 +697,9 @@  static struct attribute_group armv7_pmuv2_events_attr_group = {
 /*
  * Event filters for PMUv2
  */
-#define	ARMV7_EXCLUDE_PL1	(1 << 31)
-#define	ARMV7_EXCLUDE_USER	(1 << 30)
-#define	ARMV7_INCLUDE_HYP	(1 << 27)
+#define	ARMV7_EXCLUDE_PL1	BIT(31)
+#define	ARMV7_EXCLUDE_USER	BIT(30)
+#define	ARMV7_INCLUDE_HYP	BIT(27)
 
 /*
  * Secure debug enable reg