AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[PATCH] USB: fix usb_find_interface for ppc64

Browse Source 
Fix usb_find_interface. You cannot case pointers to int and long on
a big-endian 64-bitter without consequences.

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Pete Zaitcev 2005-12-21 17:24:54 -08:00 committed by Greg Kroah-Hartman
parent a9714c845c
commit f5691d70d4
1 changed files with 13 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/usb/core/usb.c
View File

@ -192,20 +192,23 @@ void usb_driver_release_interface(struct usb_driver *driver,
iface->condition = USB_INTERFACE_UNBOUND;
mark_quiesced(iface);
}
struct find_interface_arg {
int minor;
struct usb_interface *interface;
};
static int __find_interface(struct device * dev, void * data)
{
struct usb_interface ** ret = (struct usb_interface **)data;
struct usb_interface * intf = *ret;
int *minor = (int *)data;
struct find_interface_arg *arg = data;
struct usb_interface *intf;
/* can't look at usb devices, only interfaces */
if (dev->driver == &usb_generic_driver)
return 0;
intf = to_usb_interface(dev);
if (intf->minor != -1 && intf->minor == *minor) {
*ret = intf;
if (intf->minor != -1 && intf->minor == arg->minor) {
arg->interface = intf;
return 1;
}
return 0;
@ -222,12 +225,12 @@ static int __find_interface(struct device * dev, void * data)
*/
struct usb_interface *usb_find_interface(struct usb_driver *drv, int minor)
{
struct usb_interface *intf = (struct usb_interface *)(long)minor;
int ret;
struct find_interface_arg argb;
ret = driver_for_each_device(&drv->driver, NULL, &intf, __find_interface);
return ret ? intf : NULL;
argb.minor = minor;
argb.interface = NULL;
driver_for_each_device(&drv->driver, NULL, &argb, __find_interface);
return argb.interface;
}
#ifdef CONFIG_HOTPLUG