Commit db739ef3 authored by David Vrabel's avatar David Vrabel Committed by David S. Miller
Browse files

xen-netback: stop the VIF thread before unbinding IRQs



If the VIF thread is still running after unbinding the Tx and Rx IRQs
in xenvif_disconnect(), the thread may attempt to raise an event which
will BUG (as the irq is unbound).
Signed-off-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
Acked-by: default avatarWei Liu <wei.liu2@citrix.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent aec6f90d
......@@ -461,6 +461,9 @@ void xenvif_disconnect(struct xenvif *vif)
if (netif_carrier_ok(vif->dev))
xenvif_carrier_off(vif);
if (vif->task)
kthread_stop(vif->task);
if (vif->tx_irq) {
if (vif->tx_irq == vif->rx_irq)
unbind_from_irqhandler(vif->tx_irq, vif);
......@@ -471,9 +474,6 @@ void xenvif_disconnect(struct xenvif *vif)
vif->tx_irq = 0;
}
if (vif->task)
kthread_stop(vif->task);
xenvif_unmap_frontend_rings(vif);
}
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment