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Drivers: hv: vmbus: Permit sending of packets without payload
authorK. Y. Srinivasan <kys@microsoft.com>
Sat, 1 Aug 2015 23:08:14 +0000 (16:08 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 5 Aug 2015 05:28:39 +0000 (22:28 -0700)
commitb81658cf5d44e07c70c93e3b2aefe848eaaba99f
tree5d8545ecd67e5a16683e05c84547cab9364ee1ectree
parentb6ddeae1603dfa55e857ba1520f5acea83f8cf1ccommit | diff
Drivers: hv: vmbus: Permit sending of packets without payload

The guest may have to send a completion packet back to the host.
To support this usage, permit sending a packet without a payload -
we would be only sending the descriptor in this case.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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