net: rtnetlink: validate IFLA_MTU attribute in rtnl_create_link()

[mirror_ubuntu-bionic-kernel.git] / include / linux / bitrev.h

diff --git a/include/linux/bitrev.h b/include/linux/bitrev.h
index 50fb0dee23e8662120461cd227cf11f548939339..d35b8ec1c485cba58a658b34edd2f9621cd20639 100644 (file)
--- a/include/linux/bitrev.h
+++ b/include/linux/bitrev.h
@@ -34,41 +34,41 @@ static inline u32 __bitrev32(u32 x)
 
 #define __constant_bitrev32(x) \
 ({                                     \
-       u32 __x = x;                    \
-       __x = (__x >> 16) | (__x << 16);        \
-       __x = ((__x & (u32)0xFF00FF00UL) >> 8) | ((__x & (u32)0x00FF00FFUL) << 8);      \
-       __x = ((__x & (u32)0xF0F0F0F0UL) >> 4) | ((__x & (u32)0x0F0F0F0FUL) << 4);      \
-       __x = ((__x & (u32)0xCCCCCCCCUL) >> 2) | ((__x & (u32)0x33333333UL) << 2);      \
-       __x = ((__x & (u32)0xAAAAAAAAUL) >> 1) | ((__x & (u32)0x55555555UL) << 1);      \
-       __x;                                                            \
+       u32 ___x = x;                   \
+       ___x = (___x >> 16) | (___x << 16);     \
+       ___x = ((___x & (u32)0xFF00FF00UL) >> 8) | ((___x & (u32)0x00FF00FFUL) << 8);   \
+       ___x = ((___x & (u32)0xF0F0F0F0UL) >> 4) | ((___x & (u32)0x0F0F0F0FUL) << 4);   \
+       ___x = ((___x & (u32)0xCCCCCCCCUL) >> 2) | ((___x & (u32)0x33333333UL) << 2);   \
+       ___x = ((___x & (u32)0xAAAAAAAAUL) >> 1) | ((___x & (u32)0x55555555UL) << 1);   \
+       ___x;                                                           \
 })
 
 #define __constant_bitrev16(x) \
 ({                                     \
-       u16 __x = x;                    \
-       __x = (__x >> 8) | (__x << 8);  \
-       __x = ((__x & (u16)0xF0F0U) >> 4) | ((__x & (u16)0x0F0FU) << 4);        \
-       __x = ((__x & (u16)0xCCCCU) >> 2) | ((__x & (u16)0x3333U) << 2);        \
-       __x = ((__x & (u16)0xAAAAU) >> 1) | ((__x & (u16)0x5555U) << 1);        \
-       __x;                                                            \
+       u16 ___x = x;                   \
+       ___x = (___x >> 8) | (___x << 8);       \
+       ___x = ((___x & (u16)0xF0F0U) >> 4) | ((___x & (u16)0x0F0FU) << 4);     \
+       ___x = ((___x & (u16)0xCCCCU) >> 2) | ((___x & (u16)0x3333U) << 2);     \
+       ___x = ((___x & (u16)0xAAAAU) >> 1) | ((___x & (u16)0x5555U) << 1);     \
+       ___x;                                                           \
 })
 
 #define __constant_bitrev8x4(x) \
 ({                     \
-       u32 __x = x;    \
-       __x = ((__x & (u32)0xF0F0F0F0UL) >> 4) | ((__x & (u32)0x0F0F0F0FUL) << 4);      \
-       __x = ((__x & (u32)0xCCCCCCCCUL) >> 2) | ((__x & (u32)0x33333333UL) << 2);      \
-       __x = ((__x & (u32)0xAAAAAAAAUL) >> 1) | ((__x & (u32)0x55555555UL) << 1);      \
-       __x;                                                            \
+       u32 ___x = x;   \
+       ___x = ((___x & (u32)0xF0F0F0F0UL) >> 4) | ((___x & (u32)0x0F0F0F0FUL) << 4);   \
+       ___x = ((___x & (u32)0xCCCCCCCCUL) >> 2) | ((___x & (u32)0x33333333UL) << 2);   \
+       ___x = ((___x & (u32)0xAAAAAAAAUL) >> 1) | ((___x & (u32)0x55555555UL) << 1);   \
+       ___x;                                                           \
 })
 
 #define __constant_bitrev8(x)  \
 ({                                     \
-       u8 __x = x;                     \
-       __x = (__x >> 4) | (__x << 4);  \
-       __x = ((__x & (u8)0xCCU) >> 2) | ((__x & (u8)0x33U) << 2);      \
-       __x = ((__x & (u8)0xAAU) >> 1) | ((__x & (u8)0x55U) << 1);      \
-       __x;                                                            \
+       u8 ___x = x;                    \
+       ___x = (___x >> 4) | (___x << 4);       \
+       ___x = ((___x & (u8)0xCCU) >> 2) | ((___x & (u8)0x33U) << 2);   \
+       ___x = ((___x & (u8)0xAAU) >> 1) | ((___x & (u8)0x55U) << 1);   \
+       ___x;                                                           \
 })
 
 #define bitrev32(x) \