[ 17/72] sfc: Add parentheses around use of bitfield macro arguments

Greg Kroah-Hartman
2013-03-26T23:22:55Z

From: Ben Hutchings <bhutchings@solarflare.com>

[ Upstream commit 9724a8504c875145f5a513bb8eca50671cee23b4 ]

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/sfc/bitfield.h | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)

--- a/drivers/net/ethernet/sfc/bitfield.h
+++ b/drivers/net/ethernet/sfc/bitfield.h
@@ -120,10 +120,10 @@ typedef union efx_oword {
* [0,high-low), with garbage in bits [high-low+1,...).
*/
#define EFX_EXTRACT_NATIVE(native_element, min, max, low, high) \
- (((low > max) || (high < min)) ? 0 : \
- ((low > min) ? \
- ((native_element) >> (low - min)) : \
- ((native_element) << (min - low))))
+ ((low) > (max) || (high) < (min) ? 0 : \
+ (low) > (min) ? \
+ (native_element) >> ((low) - (min)) : \
+ (native_element) << ((min) - (low)))

/*
* Extract bit field portion [low,high) from the 64-bit little-endian
@@ -142,27 +142,27 @@ typedef union efx_oword {
#define EFX_EXTRACT_OWORD64(oword, low, high) \
((EFX_EXTRACT64((oword).u64[0], 0, 63, low, high) | \
EFX_EXTRACT64((oword).u64[1], 64, 127, low, high)) & \
- EFX_MASK64(high + 1 - low))
+ EFX_MASK64((high) + 1 - (low)))

#define EFX_EXTRACT_QWORD64(qword, low, high) \
(EFX_EXTRACT64((qword).u64[0], 0, 63, low, high) & \
- EFX_MASK64(high + 1 - low))
+ EFX_MASK64((high) + 1 - (low)))

#define EFX_EXTRACT_OWORD32(oword, low, high) \
((EFX_EXTRACT32((oword).u32[0], 0, 31, low, high) | \
EFX_EXTRACT32((oword).u32[1], 32, 63, low, high) | \
EFX_EXTRACT32((oword).u32[2], 64, 95, low, high) | \
EFX_EXTRACT32((oword).u32[3], 96, 127, low, high)) & \
- EFX_MASK32(high + 1 - low))
+ EFX_MASK32((high) + 1 - (low)))

#define EFX_EXTRACT_QWORD32(qword, low, high) \
((EFX_EXTRACT32((qword).u32[0], 0, 31, low, high) | \
EFX_EXTRACT32((qword).u32[1], 32, 63, low, high)) & \
- EFX_MASK32(high + 1 - low))
+ EFX_MASK32((high) + 1 - (low)))

#define EFX_EXTRACT_DWORD(dword, low, high) \
(EFX_EXTRACT32((dword).u32[0], 0, 31, low, high) & \
- EFX_MASK32(high + 1 - low))
+ EFX_MASK32((high) + 1 - (low)))

#define EFX_OWORD_FIELD64(oword, field) \
EFX_EXTRACT_OWORD64(oword, EFX_LOW_BIT(field), \
@@ -442,10 +442,10 @@ typedef union efx_oword {
cpu_to_le32(EFX_INSERT_NATIVE(min, max, low, high, value))

#define EFX_INPLACE_MASK64(min, max, low, high) \
- EFX_INSERT64(min, max, low, high, EFX_MASK64(high + 1 - low))
+ EFX_INSERT64(min, max, low, high, EFX_MASK64((high) + 1 - (low)))

#define EFX_INPLACE_MASK32(min, max, low, high) \
- EFX_INSERT32(min, max, low, high, EFX_MASK32(high + 1 - low))
+ EFX_INSERT32(min, max, low, high, EFX_MASK32((high) + 1 - (low)))

#define EFX_SET_OWORD64(oword, low, high, value) do { \
(oword).u64[0] = (((oword).u64[0] \