linux-kernel - [PATCH V3 13/15] ARM: mm: cleanup cppcheck shifting errors

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Message-Id: <20190625040356.27473-14-tranmanphong@gmail.com>
Date:   Tue, 25 Jun 2019 11:03:54 +0700
From:   Phong Tran <tranmanphong@...il.com>
To:     tranmanphong@...il.com
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Subject: [PATCH V3 13/15] ARM: mm: cleanup cppcheck shifting errors

There is error from cppcheck tool
"Shifting signed 32-bit value by 31 bits is undefined behaviour errors"
change to use BIT() marco for improvement.

Signed-off-by: Phong Tran <tranmanphong@...il.com>
---
 arch/arm/mm/fault.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index c063708fa503..8a706cb7f21d 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -5,9 +5,9 @@
 /*
  * Fault status register encodings.  We steal bit 31 for our own purposes.
  */
-#define FSR_LNX_PF		(1 << 31)
-#define FSR_WRITE		(1 << 11)
-#define FSR_FS4			(1 << 10)
+#define FSR_LNX_PF		BIT(31)
+#define FSR_WRITE		BIT(11)
+#define FSR_FS4			BIT(10)
 #define FSR_FS3_0		(15)
 #define FSR_FS5_0		(0x3f)
 
-- 
2.11.0