proc_resetdevice is called with dev->serialize held.
usb_reset_device takes dev->serialize and then calls
__usb_reset_device. To avoid deadlock, proc_resetdevice
should call __usb_reset_device directly.
Signed-off-by: Duncan Sands <[EMAIL PROTECTED]>
diff -Nru a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
--- a/drivers/usb/core/devio.c 2004-06-07 10:39:20 +02:00
+++ b/drivers/usb/core/devio.c 2004-06-07 10:39:20 +02:00
@@ -719,7 +719,7 @@
static int proc_resetdevice(struct dev_state *ps)
{
- return usb_reset_device(ps->dev);
+ return __usb_reset_device(ps->dev);
}
diff -Nru a/include/linux/usb.h b/include/linux/usb.h
--- a/include/linux/usb.h 2004-06-07 10:39:20 +02:00
+++ b/include/linux/usb.h 2004-06-07 10:39:20 +02:00
@@ -334,6 +334,7 @@
/* mostly for devices emulating SCSI over USB */
extern int usb_reset_device(struct usb_device *dev);
+extern int __usb_reset_device(struct usb_device *dev);
extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id);
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