add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/usb/storage/alauda.c
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@@ -318,7 +318,8 @@
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 	rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,
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 		command, 0xc0, 0, 1, data, 2);
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-	usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]);
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+	if (rc == USB_STOR_XFER_GOOD)
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+		usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]);
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 	return rc;
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 }
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@@ -438,6 +439,8 @@
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 		+ MEDIA_INFO(us).blockshift + MEDIA_INFO(us).pageshift);
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 	MEDIA_INFO(us).pba_to_lba = kcalloc(num_zones, sizeof(u16*), GFP_NOIO);
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 	MEDIA_INFO(us).lba_to_pba = kcalloc(num_zones, sizeof(u16*), GFP_NOIO);
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+	if (MEDIA_INFO(us).pba_to_lba == NULL || MEDIA_INFO(us).lba_to_pba == NULL)
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+		return USB_STOR_TRANSPORT_ERROR;
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 	if (alauda_reset_media(us) != USB_STOR_XFER_GOOD)
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 		return USB_STOR_TRANSPORT_ERROR;
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@@ -452,9 +455,14 @@
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 static int alauda_check_media(struct us_data *us)
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 {
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 	struct alauda_info *info = (struct alauda_info *) us->extra;
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-	unsigned char status[2];
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+	unsigned char *status = us->iobuf;
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+	int rc;
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-	alauda_get_media_status(us, status);
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+	rc = alauda_get_media_status(us, status);
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+	if (rc != USB_STOR_XFER_GOOD) {
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+		status[0] = 0xF0;	/* Pretend there's no media */
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+		status[1] = 0;
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+	}
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 	/* Check for no media or door open */
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 	if ((status[0] & 0x80) || ((status[0] & 0x1F) == 0x10)