disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/net/wireless/mediatek/mt7601u/dma.c
..
..
@@ -1,14 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2
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- * as published by the Free Software Foundation
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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  */
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 #include "mt7601u.h"
..
..
@@ -124,9 +116,10 @@
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 	u16 dma_len = get_unaligned_le16(data);
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 	if (data_len < min_seg_len ||
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-	    WARN_ON(!dma_len) ||
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-	    WARN_ON(dma_len + MT_DMA_HDRS > data_len) ||
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-	    WARN_ON(dma_len & 0x3))
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+	    WARN_ON_ONCE(!dma_len) ||
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+	    WARN_ON_ONCE(dma_len + MT_DMA_HDRS > data_len) ||
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+	    WARN_ON_ONCE(dma_len & 0x3) ||
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+	    WARN_ON_ONCE(dma_len < min_seg_len))
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 		return 0;
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 	return MT_DMA_HDRS + dma_len;
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@@ -203,7 +196,7 @@
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 	default:
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 		dev_err_ratelimited(dev->dev, "rx urb failed: %d\n",
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 				    urb->status);
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-		/* fall through */
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+		fallthrough;
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 	case 0:
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 		break;
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 	}
..
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@@ -248,7 +241,7 @@
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 	default:
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 		dev_err_ratelimited(dev->dev, "tx urb failed: %d\n",
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 				    urb->status);
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-		/* fall through */
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+		fallthrough;
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 	case 0:
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 		break;
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 	}