renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-16 17:23:55 +08:00
Code

USB: storage: properly handle the endian issues of idProduct

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/usb/storage/initializers.c
View File

@ -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);