From: Oliver Neukum <[EMAIL PROTECTED]>
I overlooked one. Setting the flag and killing the URBs must be under the lock
so that no URB is submitted after usb_kill_urb()
Signed-off-by: Oliver Neukum <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/image/mdc800.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c
index 63a84bb..d308afd 100644
--- a/drivers/usb/image/mdc800.c
+++ b/drivers/usb/image/mdc800.c
@@ -565,11 +565,15 @@ static void mdc800_usb_disconnect (struct usb_interface
*intf)
usb_deregister_dev(intf, &mdc800_class);
+ /* must be under lock to make sure no URB
+ is submitted after usb_kill_urb() */
+ mutex_lock(&mdc800->io_lock);
mdc800->state=NOT_CONNECTED;
usb_kill_urb(mdc800->irq_urb);
usb_kill_urb(mdc800->write_urb);
usb_kill_urb(mdc800->download_urb);
+ mutex_unlock(&mdc800->io_lock);
mdc800->dev = NULL;
usb_set_intfdata(intf, NULL);
--
1.4.4.4
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