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USB: storage: properly handle the endian issues of idProduct

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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: fangxiaozhi <huananhu@huawei.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
fangxiaozhi 2013-02-07 15:32:07 +08:00 committed by Greg Kroah-Hartman
parent 9742aecda4
commit cd060956c5
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/storage/initializers.c
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@ -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);