add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/isa/wavefront/wavefront_synth.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /* Copyright (C) by Paul Barton-Davis 1998-1999
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  *
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  * Some portions of this file are taken from work that is
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  * copyright (C) by Hannu Savolainen 1993-1996
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- *
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- * This program is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
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- * Version 2 (June 1991). See the "COPYING" file distributed with this software
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- * for more info.  
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  */
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 /*  
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@@ -791,7 +788,6 @@
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 	dev->patch_status[header->number] |= WF_SLOT_FILLED;
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-	bptr = buf;
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 	bptr = munge_int32 (header->number, buf, 2);
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 	munge_buf ((unsigned char *)&header->hdr.p, bptr, WF_PATCH_BYTES);
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@@ -1092,7 +1088,8 @@
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 			if (dataptr < data_end) {
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-				__get_user (sample_short, dataptr);
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+				if (get_user(sample_short, dataptr))
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+					return -EFAULT;
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 				dataptr += skip;
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 				if (data_is_unsigned) { /* GUS ? */