add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/scsi/scsi.c
..
..
@@ -317,11 +317,18 @@
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 	if (result)
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 		return -EIO;
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-	/* Sanity check that we got the page back that we asked for */
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+	/*
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+	 * Sanity check that we got the page back that we asked for and that
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+	 * the page size is not 0.
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+	 */
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 	if (buffer[1] != page)
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 		return -EIO;
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-	return get_unaligned_be16(&buffer[2]) + 4;
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+	result = get_unaligned_be16(&buffer[2]);
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+	if (!result)
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+		return -EIO;
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+
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+	return result + 4;
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 }
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 /**