[CRYPTO] all: Use kzalloc where possible

this patch converts crypto/ to kzalloc usage.
Compile tested with allyesconfig.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/api.c

@@ -179,12 +179,10 @@ struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags)
 		goto out;
 
 	tfm_size = sizeof(*tfm) + crypto_ctxsize(alg, flags);
-	tfm = kmalloc(tfm_size, GFP_KERNEL);
+	tfm = kzalloc(tfm_size, GFP_KERNEL);
 	if (tfm == NULL)
 		goto out_put;
 
-	memset(tfm, 0, tfm_size);
-	
 	tfm->__crt_alg = alg;
 	
 	if (crypto_init_flags(tfm, flags))

crypto/deflate.c

@@ -73,12 +73,11 @@ static int deflate_decomp_init(struct deflate_ctx *ctx)
 	int ret = 0;
 	struct z_stream_s *stream = &ctx->decomp_stream;
 
-	stream->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
+	stream->workspace = kzalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
 	if (!stream->workspace ) {
 		ret = -ENOMEM;
 		goto out;
 	}
-	memset(stream->workspace, 0, zlib_inflate_workspacesize());
 	ret = zlib_inflateInit2(stream, -DEFLATE_DEF_WINBITS);
 	if (ret != Z_OK) {
 		ret = -EINVAL;