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2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/dma/sh/shdma-base.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * Dmaengine driver base library for DMA controllers, found on SH-based SoCs
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  *
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@@ -7,10 +8,6 @@
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  * Copyright (C) 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
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  * Copyright (C) 2009 Renesas Solutions, Inc. All rights reserved.
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  * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
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- *
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- * This is free software; you can redistribute it and/or modify
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- * it under the terms of version 2 of the GNU General Public License as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/delay.h>
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@@ -386,7 +383,7 @@
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 			switch (desc->mark) {
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 			case DESC_COMPLETED:
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 				desc->mark = DESC_WAITING;
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-				/* Fall through */
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+				fallthrough;
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 			case DESC_WAITING:
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 				if (head_acked)
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 					async_tx_ack(&desc->async_tx);
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@@ -712,7 +709,7 @@
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 	BUG_ON(!schan->desc_num);
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 	if (sg_len > SHDMA_MAX_SG_LEN) {
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-		dev_err(schan->dev, "sg length %d exceds limit %d",
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+		dev_err(schan->dev, "sg length %d exceeds limit %d",
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 				sg_len, SHDMA_MAX_SG_LEN);
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 		return NULL;
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 	}
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@@ -731,7 +728,7 @@
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 	 * Allocate the sg list dynamically as it would consumer too much stack
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 	 * space.
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 	 */
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-	sgl = kcalloc(sg_len, sizeof(*sgl), GFP_KERNEL);
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+	sgl = kmalloc_array(sg_len, sizeof(*sgl), GFP_KERNEL);
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 	if (!sgl)
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 		return NULL;
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