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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-08-13 15:39:10 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-08-13 15:39:10 -0400
commit0980bd9cd32de2fef7eaa2858345c49d14498625 (patch)
tree41f5f823d0569a81b22037e79c22d823933a63f1 /drivers/usb/core/driver.c
parent78821b2c0299ab807d483802f09897728b93bce0 (diff)
parent0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (diff)
Merge commit 'v3.6-rc1' into linux-next
* commit 'v3.6-rc1': (9532 commits) Linux 3.6-rc1 mm: remove node_start_pfn checking in new WARN_ON for now ARM: mmp: add missing irqs.h arm: mvebu: fix typo in .dtsi comment for Armada XP SoCs ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumes libceph: fix crypto key null deref, memory leak ceph: simplify+fix atomic_open sh: explicitly include sh_dma.h in setup-sh7722.c um: Add arch/x86/um to MAINTAINERS um: pass siginfo to guest process um: fix ubd_file_size for read-only files md/dm-raid: DM_RAID should select MD_RAID10 md/raid1: submit IO from originating thread instead of md thread. raid5: raid5d handle stripe in batch way raid5: make_request use batch stripe release um: pull interrupt_end() into userspace() um: split syscall_trace(), pass pt_regs to it um: switch UPT_SET_RETURN_VALUE and regs_return_value to pt_regs MIPS: Loongson 2: Sort out clock managment. locks: remove unused lm_release_private ...
Diffstat (limited to 'drivers/usb/core/driver.c')
-rw-r--r--drivers/usb/core/driver.c48
1 files changed, 31 insertions, 17 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index f536aebc958e..445455a4429b 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -367,6 +367,7 @@ static int usb_probe_interface(struct device *dev)
return error;
err:
+ usb_set_intfdata(intf, NULL);
intf->needs_remote_wakeup = 0;
intf->condition = USB_INTERFACE_UNBOUND;
usb_cancel_queued_reset(intf);
@@ -606,30 +607,19 @@ int usb_match_device(struct usb_device *dev, const struct usb_device_id *id)
}
/* returns 0 if no match, 1 if match */
-int usb_match_one_id(struct usb_interface *interface,
- const struct usb_device_id *id)
+int usb_match_one_id_intf(struct usb_device *dev,
+ struct usb_host_interface *intf,
+ const struct usb_device_id *id)
{
- struct usb_host_interface *intf;
- struct usb_device *dev;
-
- /* proc_connectinfo in devio.c may call us with id == NULL. */
- if (id == NULL)
- return 0;
-
- intf = interface->cur_altsetting;
- dev = interface_to_usbdev(interface);
-
- if (!usb_match_device(dev, id))
- return 0;
-
- /* The interface class, subclass, and protocol should never be
+ /* The interface class, subclass, protocol and number should never be
* checked for a match if the device class is Vendor Specific,
* unless the match record specifies the Vendor ID. */
if (dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC &&
!(id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
(id->match_flags & (USB_DEVICE_ID_MATCH_INT_CLASS |
USB_DEVICE_ID_MATCH_INT_SUBCLASS |
- USB_DEVICE_ID_MATCH_INT_PROTOCOL)))
+ USB_DEVICE_ID_MATCH_INT_PROTOCOL |
+ USB_DEVICE_ID_MATCH_INT_NUMBER)))
return 0;
if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_CLASS) &&
@@ -644,8 +634,32 @@ int usb_match_one_id(struct usb_interface *interface,
(id->bInterfaceProtocol != intf->desc.bInterfaceProtocol))
return 0;
+ if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER) &&
+ (id->bInterfaceNumber != intf->desc.bInterfaceNumber))
+ return 0;
+
return 1;
}
+
+/* returns 0 if no match, 1 if match */
+int usb_match_one_id(struct usb_interface *interface,
+ const struct usb_device_id *id)
+{
+ struct usb_host_interface *intf;
+ struct usb_device *dev;
+
+ /* proc_connectinfo in devio.c may call us with id == NULL. */
+ if (id == NULL)
+ return 0;
+
+ intf = interface->cur_altsetting;
+ dev = interface_to_usbdev(interface);
+
+ if (!usb_match_device(dev, id))
+ return 0;
+
+ return usb_match_one_id_intf(dev, intf, id);
+}
EXPORT_SYMBOL_GPL(usb_match_one_id);
/**