Commit d8f1c477 authored by George Spelvin's avatar George Spelvin Committed by David S. Miller
Browse files

lib: crc32: Add some additional __pure annotations 



In case they help the compiler.

Signed-off-by: default avatarGeorge Spelvin <linux@horizon.com>
Signed-off-by: default avatarDaniel Borkmann <dborkman@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4fa8e03b

include/linux/crc32.h

+3 −3
Original line number Diff line number Diff line
@@ -8,8 +8,8 @@ 
#include <linux/types.h>

#include <linux/bitrev.h>



extern u32  crc32_le(u32 crc, unsigned char const *p, size_t len);

extern u32  crc32_be(u32 crc, unsigned char const *p, size_t len);

u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len);

u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len);



/**

 * crc32_le_combine - Combine two crc32 check values into one. For two
@@ -36,7 +36,7 @@ static inline u32 crc32_le_combine(u32 crc1, u32 crc2, size_t len2) 
	return crc32_le_shift(crc1, len2) ^ crc2;

}



extern u32  __crc32c_le(u32 crc, unsigned char const *p, size_t len);

u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len);



/**

 * __crc32c_le_combine - Combine two crc32c check values into one. For two

lib/crc32.c

+1 −1
Original line number Diff line number Diff line
@@ -53,7 +53,7 @@ MODULE_LICENSE("GPL"); 
#if CRC_LE_BITS > 8 || CRC_BE_BITS > 8



/* implements slicing-by-4 or slicing-by-8 algorithm */

static inline u32

static inline u32 __pure

crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256])

{

# ifdef __LITTLE_ENDIAN