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Staging: skein: skein_api: Remove useless type conversion

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Some type conversions like casting a pointer to a pointer of same type,
casting to the original type using addressof(&) operator etc. are not
needed. Therefore, remove them. Done using coccinelle:

@@
type t;
t *p;
t a;
@@
(
- (t)(a)
+ a
|
- (t *)(p)
+ p
|
- (t *)(&a)
+ &a
)

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bhumika Goyal 2016-10-08 15:58:04 +05:30 committed by Greg Kroah-Hartman
parent 321c799cd9
commit 1af172fa41
1 changed files with 10 additions and 16 deletions
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26
drivers/staging/skein/skein_api.c
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@ -98,19 +98,16 @@ int skein_mac_init(struct skein_ctx *ctx, const u8 *key, size_t key_len,
switch (ctx->skein_size) {
case SKEIN_256:
ret = skein_256_init_ext(&ctx->m.s256, hash_bit_len,
tree_info,
(const u8 *)key, key_len);
tree_info, key, key_len);
break;
case SKEIN_512:
ret = skein_512_init_ext(&ctx->m.s512, hash_bit_len,
tree_info,
(const u8 *)key, key_len);
tree_info, key, key_len);
break;
case SKEIN_1024:
ret = skein_1024_init_ext(&ctx->m.s1024, hash_bit_len,
tree_info,
(const u8 *)key, key_len);
tree_info, key, key_len);
break;
}
@ -152,16 +149,13 @@ int skein_update(struct skein_ctx *ctx, const u8 *msg,
switch (ctx->skein_size) {
case SKEIN_256:
ret = skein_256_update(&ctx->m.s256, (const u8 *)msg,
msg_byte_cnt);
ret = skein_256_update(&ctx->m.s256, msg, msg_byte_cnt);
break;
case SKEIN_512:
ret = skein_512_update(&ctx->m.s512, (const u8 *)msg,
msg_byte_cnt);
ret = skein_512_update(&ctx->m.s512, msg, msg_byte_cnt);
break;
case SKEIN_1024:
ret = skein_1024_update(&ctx->m.s1024, (const u8 *)msg,
msg_byte_cnt);
ret = skein_1024_update(&ctx->m.s1024, msg, msg_byte_cnt);
break;
}
return ret;
@ -211,7 +205,7 @@ int skein_update_bits(struct skein_ctx *ctx, const u8 *msg,
/* partial byte bit mask */
mask = (u8)(1u << (7 - (msg_bit_cnt & 7)));
/* apply bit padding on final byte (in the buffer) */
up[length - 1] = (u8)((up[length - 1] & (0 - mask)) | mask);
up[length - 1] = (up[length - 1] & (0 - mask)) | mask;
return SKEIN_SUCCESS;
}
@ -224,13 +218,13 @@ int skein_final(struct skein_ctx *ctx, u8 *hash)
switch (ctx->skein_size) {
case SKEIN_256:
ret = skein_256_final(&ctx->m.s256, (u8 *)hash);
ret = skein_256_final(&ctx->m.s256, hash);
break;
case SKEIN_512:
ret = skein_512_final(&ctx->m.s512, (u8 *)hash);
ret = skein_512_final(&ctx->m.s512, hash);
break;
case SKEIN_1024:
ret = skein_1024_final(&ctx->m.s1024, (u8 *)hash);
ret = skein_1024_final(&ctx->m.s1024, hash);
break;
}
return ret;