Commit 5cb29be4 authored by Kevin Bracey's avatar Kevin Bracey Committed by Herbert Xu
Browse files

lib/crc32: Make crc32_be weak for arch override 



crc32_le and __crc32c_le can be overridden - extend this to crc32_be.

Signed-off-by: default avatarKevin Bracey <kevin@bracey.fi>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 163a4e7f

lib/crc32.c

+3 −2
Original line number Diff line number Diff line
@@ -206,6 +206,7 @@ EXPORT_SYMBOL(__crc32c_le); 


u32 __pure crc32_le_base(u32, unsigned char const *, size_t) __alias(crc32_le);

u32 __pure __crc32c_le_base(u32, unsigned char const *, size_t) __alias(__crc32c_le);

u32 __pure crc32_be_base(u32, unsigned char const *, size_t) __alias(crc32_be);



/*

 * This multiplies the polynomials x and y modulo the given modulus.
@@ -330,12 +331,12 @@ static inline u32 __pure crc32_be_generic(u32 crc, unsigned char const *p, 
}



#if CRC_BE_BITS == 1

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

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

{

	return crc32_be_generic(crc, p, len, NULL, CRC32_POLY_BE);

}

#else

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

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

{

	return crc32_be_generic(crc, p, len, crc32table_be, CRC32_POLY_BE);

}