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diff -up hdparm-9.54/hdparm.c.bak hdparm-9.54/hdparm.c
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--- hdparm-9.54/hdparm.c.bak	2020-06-01 17:56:47.257520643 +0200
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+++ hdparm-9.54/hdparm.c	2020-06-01 17:57:29.285084217 +0200
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@@ -461,12 +461,15 @@ static void dump_identity (__u16 *idw)
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 {
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 	int i;
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 	char pmodes[64] = {0,}, dmodes[128]={0,}, umodes[128]={0,};
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-	char *model = strip(strndup((char *)&idw[27], 40));
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-	char *fwrev = strip(strndup((char *)&idw[23],  8));
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-	char *serno = strip(strndup((char *)&idw[10], 20));
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+	char *model = strndup((char *)&idw[27], 40);
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+	char *model_s = strip(model);
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+	char *fwrev = strndup((char *)&idw[23],  8);
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+	char *fwrev_s = strip(fwrev);
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+	char *serno = strndup((char *)&idw[10], 20);
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+	char *serno_s = strip(serno);
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 	__u8 tPIO;
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-	printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s", model, fwrev, serno);
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+	printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s", model_s, fwrev_s, serno_s);
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 	printf("\n Config={");
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 	for (i = 0; i <= 15; i++) {
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 		if (idw[0] & (1<