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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/nvmem/meson-mx-efuse.c
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@@ -1,16 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Amlogic Meson6, Meson8 and Meson8b eFuse Driver
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  *
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  * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * 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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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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- * more details.
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  */
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 #include <linux/bitfield.h>
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@@ -163,7 +155,8 @@
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 		if (err)
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 			break;
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-		memcpy(buf + i, &tmp, efuse->config.word_size);
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+		memcpy(buf + i, &tmp,
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+		       min_t(size_t, bytes - i, efuse->config.word_size));
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 	}
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 	meson_mx_efuse_mask_bits(efuse, MESON_MX_EFUSE_CNTL1,