crypto: caam - Delete an unnecessary initialisation in seven functions

The local variable "ret" will be set to an appropriate value a bit later.
Thus omit the explicit initialisation at the beginning.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index b1dbc53..adb8b19 100644 (file)
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -440,7 +440,7 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, const u8 *key_in,
        u32 *desc;
        struct split_key_result result;
        dma_addr_t src_dma, dst_dma;
-       int ret = 0;
+       int ret;
 
        desc = kmalloc(CAAM_CMD_SZ * 8 + CAAM_PTR_SZ * 2, GFP_KERNEL | GFP_DMA);
        if (!desc) {
@@ -517,7 +517,7 @@ static int ahash_setkey(struct crypto_ahash *ahash,
        struct device *jrdev = ctx->jrdev;
        int blocksize = crypto_tfm_alg_blocksize(&ahash->base);
        int digestsize = crypto_ahash_digestsize(ahash);
-       int ret = 0;
+       int ret;
        u8 *hashed_key = NULL;
 
 #ifdef DEBUG
@@ -975,7 +975,7 @@ static int ahash_final_ctx(struct ahash_request *req)
        int sec4_sg_bytes, sec4_sg_src_index;
        int digestsize = crypto_ahash_digestsize(ahash);
        struct ahash_edesc *edesc;
-       int ret = 0;
+       int ret;
 
        sec4_sg_src_index = 1 + (buflen ? 1 : 0);
        sec4_sg_bytes = sec4_sg_src_index * sizeof(struct sec4_sg_entry);
@@ -1055,7 +1055,7 @@ static int ahash_finup_ctx(struct ahash_request *req)
        int src_nents, mapped_nents;
        int digestsize = crypto_ahash_digestsize(ahash);
        struct ahash_edesc *edesc;
-       int ret = 0;
+       int ret;
 
        src_nents = sg_nents_for_len(req->src, req->nbytes);
        if (src_nents < 0) {
@@ -1139,7 +1139,7 @@ static int ahash_digest(struct ahash_request *req)
        int digestsize = crypto_ahash_digestsize(ahash);
        int src_nents, mapped_nents;
        struct ahash_edesc *edesc;
-       int ret = 0;
+       int ret;
 
        src_nents = sg_nents_for_len(req->src, req->nbytes);
        if (src_nents < 0) {
@@ -1218,7 +1218,7 @@ static int ahash_final_no_ctx(struct ahash_request *req)
        u32 *desc;
        int digestsize = crypto_ahash_digestsize(ahash);
        struct ahash_edesc *edesc;
-       int ret = 0;
+       int ret;
 
        /* allocate space for base edesc and hw desc commands, link tables */
        edesc = ahash_edesc_alloc(ctx, 0, ctx->sh_desc_digest,
@@ -1408,7 +1408,7 @@ static int ahash_finup_no_ctx(struct ahash_request *req)
        int sec4_sg_bytes, sec4_sg_src_index, src_nents, mapped_nents;
        int digestsize = crypto_ahash_digestsize(ahash);
        struct ahash_edesc *edesc;
-       int ret = 0;
+       int ret;
 
        src_nents = sg_nents_for_len(req->src, req->nbytes);
        if (src_nents < 0) {