cifsd: call kzalloc() directly instead of wrapper

Call kzalloc() directly instead of wrapper function.
Reviewed-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: NSteve French <stfrench@microsoft.com>

fs/cifsd/crypto_ctx.c

@@ -104,11 +104,6 @@ static struct shash_desc *alloc_shash_desc(int id)
 	return shash;
 }
 
-static struct ksmbd_crypto_ctx *ctx_alloc(void)
-{
-	return kzalloc(sizeof(struct ksmbd_crypto_ctx), GFP_KERNEL);
-}
-
 static void ctx_free(struct ksmbd_crypto_ctx *ctx)
 {
 	int i;
@@ -145,7 +140,7 @@ static struct ksmbd_crypto_ctx *ksmbd_find_crypto_ctx(void)
 		ctx_list.avail_ctx++;
 		spin_unlock(&ctx_list.ctx_lock);
 
-		ctx = ctx_alloc();
+		ctx = kzalloc(sizeof(struct ksmbd_crypto_ctx), GFP_KERNEL);
 		if (!ctx) {
 			spin_lock(&ctx_list.ctx_lock);
 			ctx_list.avail_ctx--;
@@ -280,7 +275,7 @@ int ksmbd_crypto_create(void)
 	init_waitqueue_head(&ctx_list.ctx_wait);
 	ctx_list.avail_ctx = 1;
 
-	ctx = ctx_alloc();
+	ctx = kzalloc(sizeof(struct ksmbd_crypto_ctx), GFP_KERNEL);
 	if (!ctx)
 		return -ENOMEM;
 	list_add(&ctx->list, &ctx_list.idle_ctx);