X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=crypto%2Fcrc32c.c;h=f2660123aeb41b9626d11e8518bdc47551733f15;hb=cbdb54d3ca986e30d0b8c1f755c3910b5573baae;hp=256956cd9377a1ac8fd052ab8779e91dd5c550a3;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6 diff --git a/crypto/crc32c.c b/crypto/crc32c.c index 256956cd93..f2660123ae 100644 --- a/crypto/crc32c.c +++ b/crypto/crc32c.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #define CHKSUM_BLOCK_SIZE 32 @@ -30,9 +31,9 @@ struct chksum_ctx { * crc using table. */ -static void chksum_init(void *ctx) +static void chksum_init(struct crypto_tfm *tfm) { - struct chksum_ctx *mctx = ctx; + struct chksum_ctx *mctx = crypto_tfm_ctx(tfm); mctx->crc = ~(u32)0; /* common usage */ } @@ -42,10 +43,10 @@ static void chksum_init(void *ctx) * If your algorithm starts with ~0, then XOR with ~0 before you set * the seed. */ -static int chksum_setkey(void *ctx, const u8 *key, unsigned int keylen, - u32 *flags) +static int chksum_setkey(struct crypto_tfm *tfm, const u8 *key, + unsigned int keylen, u32 *flags) { - struct chksum_ctx *mctx = ctx; + struct chksum_ctx *mctx = crypto_tfm_ctx(tfm); if (keylen != sizeof(mctx->crc)) { if (flags) @@ -56,9 +57,10 @@ static int chksum_setkey(void *ctx, const u8 *key, unsigned int keylen, return 0; } -static void chksum_update(void *ctx, const u8 *data, unsigned int length) +static void chksum_update(struct crypto_tfm *tfm, const u8 *data, + unsigned int length) { - struct chksum_ctx *mctx = ctx; + struct chksum_ctx *mctx = crypto_tfm_ctx(tfm); u32 mcrc; mcrc = crc32c(mctx->crc, data, (size_t)length); @@ -66,9 +68,9 @@ static void chksum_update(void *ctx, const u8 *data, unsigned int length) mctx->crc = mcrc; } -static void chksum_final(void *ctx, u8 *out) +static void chksum_final(struct crypto_tfm *tfm, u8 *out) { - struct chksum_ctx *mctx = ctx; + struct chksum_ctx *mctx = crypto_tfm_ctx(tfm); u32 mcrc = (mctx->crc ^ ~(u32)0); *(u32 *)out = __le32_to_cpu(mcrc);