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Drivers: hv: kvp: reset kvp_context 

We set kvp_context when we want to postpone receiving a packet from vmbus due
to the previous transaction being unfinished. We, however, never reset this
state, all consequent kvp_respond_to_host() calls will result in poll_channel()
calling hv_kvp_onchannelcallback(). This doesn't cause real issues as:
1) Host is supposed to serialize transactions as well
2) If no message is pending vmbus_recvpacket() will return 0 recvlen.
This is just a cleanup.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Tested-by: Alex Ng <alexng@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
steinar/wifi_calib_4_9_kernel
Vitaly Kuznetsov 2015-04-11 18:07:40 -07:00 committed by Greg Kroah-Hartman
parent 3647a83d9d
commit 5fa97480b9
1 changed files with 1 additions and 0 deletions
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drivers/hv/hv_kvp.c
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@ -621,6 +621,7 @@ void hv_kvp_onchannelcallback(void *context)
kvp_transaction.kvp_context = context;
return;
}
kvp_transaction.kvp_context = NULL;
vmbus_recvpacket(channel, recv_buffer, PAGE_SIZE * 4, &recvlen,
&requestid);