The CPiA USB driver calls usb_driver_release_interface() during its
disconnect() routine. That doesn't appear to be necessary, since it
didn't call usb_driver_claim_interface() beforehand and since the
interface will be released automatically when disconnect() returns.
Please let me know if this patch is correct.
Alan Stern
===== drivers/media/video/cpia_usb.c 1.29 vs edited =====
--- 1.29/drivers/media/video/cpia_usb.c Mon Aug 4 13:46:50 2003
+++ edited/drivers/media/video/cpia_usb.c Tue Apr 27 13:54:33 2004
@@ -499,7 +499,7 @@
if (udev->descriptor.bNumConfigurations != 1)
return -ENODEV;
- interface = &intf->altsetting[0];
+ interface = intf->cur_altsetting;
printk(KERN_INFO "USB CPiA camera found\n");
@@ -620,8 +620,6 @@
wake_up_interruptible(&ucpia->wq_stream);
udev = interface_to_usbdev(intf);
- usb_driver_release_interface(&cpia_driver,
- udev->actconfig->interface[0]);
ucpia->curbuff = ucpia->workbuff = NULL;
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