[PATCH] USB: add better check to prevent oops in hcd_unlink_urb()
diff -Nru a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
--- a/drivers/usb/core/hcd.c Wed Apr 16 10:49:27 2003
+++ b/drivers/usb/core/hcd.c Wed Apr 16 10:49:27 2003
@@ -1229,7 +1229,7 @@
spin_unlock (&hcd_data_lock);
spin_unlock_irqrestore (&urb->lock, flags);
bye:
- if (retval && sys)
+ if (retval && sys && sys->driver)
dev_dbg (sys, "hcd_unlink_urb %p fail %d\n", urb, retval);
return retval;
}
-
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