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staging: unisys: visorbus: my_device_changestate: no longer call device_epilog 

Function my_device_changestate should call chipset_device_changestate
directly instead of calling device_epilog.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Kershner 2016-11-03 11:44:26 -04:00 committed by Greg Kroah-Hartman
parent 0825f191ec
commit 8e609b5b6f
1 changed files with 32 additions and 4 deletions
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36
drivers/staging/unisys/visorbus/visorchipset.c
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@ -1035,6 +1035,7 @@ static void
my_device_changestate(struct controlvm_message *inmsg)
{
struct controlvm_message_packet *cmd = &inmsg->cmd;
struct controlvm_message_header *pmsg_hdr = NULL;
u32 bus_no = cmd->device_change_state.bus_no;
u32 dev_no = cmd->device_change_state.dev_no;
struct spar_segment_state state = cmd->device_change_state.state;
@ -1054,14 +1055,41 @@ my_device_changestate(struct controlvm_message *inmsg)
rc = -CONTROLVM_RESP_ERROR_DEVICE_INVALID;
goto err_respond;
}
if (dev_info->pending_msg_hdr) {
/* only non-NULL if dev is still waiting on a response */
rc = -CONTROLVM_RESP_ERROR_MESSAGE_ID_INVALID_FOR_CLIENT;
goto err_respond;
}
if (inmsg->hdr.flags.response_expected == 1) {
pmsg_hdr = kzalloc(sizeof(*pmsg_hdr), GFP_KERNEL);
if (!pmsg_hdr) {
rc = -CONTROLVM_RESP_ERROR_KMALLOC_FAILED;
goto err_respond;
}
memcpy(pmsg_hdr, &inmsg->hdr,
sizeof(struct controlvm_message_header));
dev_info->pending_msg_hdr = pmsg_hdr;
}
if (state.alive == segment_state_running.alive &&
state.operating == segment_state_running.operating)
/* Response will be sent from chipset_device_resume */
chipset_device_resume(dev_info);
/* ServerNotReady / ServerLost / SegmentStateStandby */
else if (state.alive == segment_state_standby.alive &&
state.operating == segment_state_standby.operating)
/*
* technically this is standby case where server is lost.
* Response will be sent from chipset_device_pause.
*/
chipset_device_pause(dev_info);
device_epilog(dev_info, state,
CONTROLVM_DEVICE_CHANGESTATE, &inmsg->hdr, rc,
inmsg->hdr.flags.response_expected == 1, 1);
return;
err_respond:
device_responder(inmsg->hdr.id, &inmsg->hdr, rc);
if (inmsg->hdr.flags.response_expected == 1)
device_responder(inmsg->hdr.id, &inmsg->hdr, rc);
}
static void