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crypto: zip - remove the unneeded result variable

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Return the value directly instead of storing it in another redundant
variable.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
ye xingchen 2022-09-22 11:27:53 +00:00 • committed by Herbert Xu
parent 72f6e0ea2b
commit 4edff849f7
1 changed files with 6 additions and 24 deletions
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30
drivers/crypto/cavium/zip/zip_crypto.c
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@ -198,22 +198,16 @@ static int zip_decompress(const u8 *src, unsigned int slen,
/* Legacy Compress framework start */ /* Legacy Compress framework start */
int zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm) int zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm)
{ {
int ret;
struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm); struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
ret = zip_ctx_init(zip_ctx, 0); return zip_ctx_init(zip_ctx, 0);
return ret;
} }
int zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm) int zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm)
{ {
int ret;
struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm); struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
ret = zip_ctx_init(zip_ctx, 1); return zip_ctx_init(zip_ctx, 1);
return ret;
} }
void zip_free_comp_ctx(struct crypto_tfm *tfm) void zip_free_comp_ctx(struct crypto_tfm *tfm)
@ -227,24 +221,18 @@ int zip_comp_compress(struct crypto_tfm *tfm,
const u8 *src, unsigned int slen, const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen) u8 *dst, unsigned int *dlen)
{ {
int ret;
struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm); struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
ret = zip_compress(src, slen, dst, dlen, zip_ctx); return zip_compress(src, slen, dst, dlen, zip_ctx);
return ret;
} }
int zip_comp_decompress(struct crypto_tfm *tfm, int zip_comp_decompress(struct crypto_tfm *tfm,
const u8 *src, unsigned int slen, const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen) u8 *dst, unsigned int *dlen)
{ {
int ret;
struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm); struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
ret = zip_decompress(src, slen, dst, dlen, zip_ctx); return zip_decompress(src, slen, dst, dlen, zip_ctx);
return ret;
} /* Legacy compress framework end */ } /* Legacy compress framework end */
/* SCOMP framework start */ /* SCOMP framework start */
@ -298,22 +286,16 @@ int zip_scomp_compress(struct crypto_scomp *tfm,
const u8 *src, unsigned int slen, const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen, void *ctx) u8 *dst, unsigned int *dlen, void *ctx)
{ {
int ret;
struct zip_kernel_ctx *zip_ctx = ctx; struct zip_kernel_ctx *zip_ctx = ctx;
ret = zip_compress(src, slen, dst, dlen, zip_ctx); return zip_compress(src, slen, dst, dlen, zip_ctx);
return ret;
} }
int zip_scomp_decompress(struct crypto_scomp *tfm, int zip_scomp_decompress(struct crypto_scomp *tfm,
const u8 *src, unsigned int slen, const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen, void *ctx) u8 *dst, unsigned int *dlen, void *ctx)
{ {
int ret;
struct zip_kernel_ctx *zip_ctx = ctx; struct zip_kernel_ctx *zip_ctx = ctx;
ret = zip_decompress(src, slen, dst, dlen, zip_ctx); return zip_decompress(src, slen, dst, dlen, zip_ctx);
return ret;
} /* SCOMP framework end */ } /* SCOMP framework end */