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Commit cd060956 authored by fangxiaozhi's avatar fangxiaozhi Committed by Greg Kroah-Hartman
Browse files

USB: storage: properly handle the endian issues of idProduct 



1. The idProduct is little endian, so make sure its value to be
compatible with the current CPU. Make no break on big endian processors.

Signed-off-by: default avatarfangxiaozhi <huananhu@huawei.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9742aecd

drivers/usb/storage/initializers.c

+2 −2
Original line number Diff line number Diff line
@@ -147,7 +147,7 @@ static int usb_stor_huawei_dongles_pid(struct us_data *us) 
	int idProduct;



	idesc = &us->pusb_intf->cur_altsetting->desc;

	idProduct = us->pusb_dev->descriptor.idProduct;

	idProduct = le16_to_cpu(us->pusb_dev->descriptor.idProduct);

	/* The first port is CDROM,

	 * means the dongle in the single port mode,

	 * and a switch command is required to be sent. */
@@ -169,7 +169,7 @@ int usb_stor_huawei_init(struct us_data *us) 
	int result = 0;



	if (usb_stor_huawei_dongles_pid(us)) {

		if (us->pusb_dev->descriptor.idProduct >= 0x1446)

		if (le16_to_cpu(us->pusb_dev->descriptor.idProduct) >= 0x1446)

			result = usb_stor_huawei_scsi_init(us);

		else

			result = usb_stor_huawei_feature_init(us);