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staging: unisys: visorbus: device_changestate_responder add error handling

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Pass the error returned from visorchannel_signalinsert up the stack
instead of just ignoring it.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Kershner 2016-11-21 12:15:50 -05:00 committed by Greg Kroah-Hartman
parent 734ad93a23
commit 68f99d4911
1 changed files with 5 additions and 6 deletions
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11
drivers/staging/unisys/visorbus/visorchipset.c
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@ -652,7 +652,7 @@ bus_responder(enum controlvm_id cmd_id,
return controlvm_respond(pending_msg_hdr, response);
}
static void
static int
device_changestate_responder(enum controlvm_id cmd_id,
struct visor_device *p, int response,
struct spar_segment_state response_state)
@ -662,9 +662,9 @@ device_changestate_responder(enum controlvm_id cmd_id,
u32 dev_no = p->chipset_dev_no;
if (!p->pending_msg_hdr)
return; /* no controlvm response needed */
return -EIO;
if (p->pending_msg_hdr->id != cmd_id)
return;
return -EINVAL;
controlvm_init_response(&outmsg, p->pending_msg_hdr, response);
@ -672,9 +672,8 @@ device_changestate_responder(enum controlvm_id cmd_id,
outmsg.cmd.device_change_state.dev_no = dev_no;
outmsg.cmd.device_change_state.state = response_state;
if (visorchannel_signalinsert(controlvm_channel,
CONTROLVM_QUEUE_REQUEST, &outmsg))
return;
return visorchannel_signalinsert(controlvm_channel,
CONTROLVM_QUEUE_REQUEST, &outmsg);
}
static void