crypto: caam - Remove messages related to memory allocation failure

On memory allocation failure, the function calling stack is already logged.
So there is no need to explicitly log an extra message.

Remove them, ans simplify some code accordingly.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/caam/caamhash.c

@@ -368,10 +368,8 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key,
 	int ret;
 
 	desc = kmalloc(CAAM_CMD_SZ * 8 + CAAM_PTR_SZ * 2, GFP_KERNEL);
-	if (!desc) {
-		dev_err(jrdev, "unable to allocate key input memory\n");
+	if (!desc)
 		return -ENOMEM;
-	}
 
 	init_job_desc(desc, 0);
 
@@ -702,18 +700,14 @@ static struct ahash_edesc *ahash_edesc_alloc(struct ahash_request *req,
 					     int sg_num, u32 *sh_desc,
 					     dma_addr_t sh_desc_dma)
 {
-	struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
-	struct caam_hash_ctx *ctx = crypto_ahash_ctx_dma(ahash);
 	struct caam_hash_state *state = ahash_request_ctx_dma(req);
 	gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
 		       GFP_KERNEL : GFP_ATOMIC;
 	struct ahash_edesc *edesc;
 
 	edesc = kzalloc(struct_size(edesc, sec4_sg, sg_num), flags);
-	if (!edesc) {
-		dev_err(ctx->jrdev, "could not allocate extended descriptor\n");
+	if (!edesc)
 		return NULL;
-	}
 
 	state->edesc = edesc;
 
@@ -1908,10 +1902,8 @@ caam_hash_alloc(struct caam_hash_template *template,
 	struct crypto_alg *alg;
 
 	t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL);
-	if (!t_alg) {
-		pr_err("failed to allocate t_alg\n");
+	if (!t_alg)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	t_alg->ahash_alg = template->template_ahash;
 	halg = &t_alg->ahash_alg;