Hi,
If some problem occurs during ehci startup, for instance, request_irq fails,
echi hcd driver
tries it best to cleanup, but fails to unregister reboot notifier, which in
turn leads to crash on
reboot/poweroff. Below is the patch against current git to fix this.
I did not check if the same problem existed for uhci/ohci host drivers.
Signed off by: Aleks Gorelov <[EMAIL PROTECTED]>
--- linux-2.6/drivers/usb/host/ehci-hcd.c-orig 2006-07-11 17:27:54.000000000
-0700
+++ linux-2.6/drivers/usb/host/ehci-hcd.c 2006-07-11 17:27:20.000000000
-0700
@@ -483,9 +483,6 @@
}
ehci->command = temp;
- ehci->reboot_notifier.notifier_call = ehci_reboot;
- register_reboot_notifier(&ehci->reboot_notifier);
-
return 0;
}
@@ -499,7 +496,6 @@
/* EHCI spec section 4.1 */
if ((retval = ehci_reset(ehci)) != 0) {
- unregister_reboot_notifier(&ehci->reboot_notifier);
ehci_mem_cleanup(ehci);
return retval;
}
@@ -560,6 +556,9 @@
*/
create_debug_files(ehci);
+ ehci->reboot_notifier.notifier_call = ehci_reboot;
+ register_reboot_notifier(&ehci->reboot_notifier);
+
return 0;
}
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