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authorRoss Lagerwall <ross.lagerwall@citrix.com>2017-02-08 10:57:37 +0000
committerDavid S. Miller <davem@davemloft.net>2017-02-09 16:43:01 -0500
commite2e004acc7cbe3c531e752a270a74e95cde3ea48 (patch)
tree1a1644a3498b13ff364b7a738f736a153ef4c3eb /sound/aoa/codecs/tas.h
parent1b5805c29c7fffc569b749c760b2bafce925df87 (diff)
xen-netfront: Improve error handling during initialization
This fixes a crash when running out of grant refs when creating many queues across many netdevs. * If creating queues fails (i.e. there are no grant refs available), call xenbus_dev_fatal() to ensure that the xenbus device is set to the closed state. * If no queues are created, don't call xennet_disconnect_backend as netdev->real_num_tx_queues will not have been set correctly. * If setup_netfront() fails, ensure that all the queues created are cleaned up, not just those that have been set up. * If any queues were set up and an error occurs, call xennet_destroy_queues() to clean up the napi context. * If any fatal error occurs, unregister and destroy the netdev to avoid leaving around a half setup network device. Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'sound/aoa/codecs/tas.h')
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