From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/dma/ioat/dca.c | 29 +++--------------------------
1 files changed, 3 insertions(+), 26 deletions(-)
diff --git a/kernel/drivers/dma/ioat/dca.c b/kernel/drivers/dma/ioat/dca.c
index eab2fdd..289c59e 100644
--- a/kernel/drivers/dma/ioat/dca.c
+++ b/kernel/drivers/dma/ioat/dca.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel I/OAT DMA Linux driver
* Copyright(c) 2007 - 2009 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#include <linux/kernel.h>
@@ -51,16 +39,6 @@
#define DCA2_TAG_MAP_BYTE2 0x81
#define DCA2_TAG_MAP_BYTE3 0x82
#define DCA2_TAG_MAP_BYTE4 0x82
-
-/* verify if tag map matches expected values */
-static inline int dca2_tag_map_valid(u8 *tag_map)
-{
- return ((tag_map[0] == DCA2_TAG_MAP_BYTE0) &&
- (tag_map[1] == DCA2_TAG_MAP_BYTE1) &&
- (tag_map[2] == DCA2_TAG_MAP_BYTE2) &&
- (tag_map[3] == DCA2_TAG_MAP_BYTE3) &&
- (tag_map[4] == DCA2_TAG_MAP_BYTE4));
-}
/*
* "Legacy" DCA systems do not implement the DCA register set in the
@@ -114,7 +92,7 @@
int max_requesters;
int requester_count;
u8 tag_map[IOAT_TAG_MAP_LEN];
- struct ioat_dca_slot req_slots[0];
+ struct ioat_dca_slot req_slots[];
};
static int ioat_dca_dev_managed(struct dca_provider *dca,
@@ -298,8 +276,7 @@
return NULL;
dca = alloc_dca_provider(&ioat_dca_ops,
- sizeof(*ioatdca)
- + (sizeof(struct ioat_dca_slot) * slots));
+ struct_size(ioatdca, req_slots, slots));
if (!dca)
return NULL;
--
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