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staging: unisys: visorbus: device_responder add error handling 

The function controlvm_respond returns proper error handling, so now we
can propagate the error up and handle it appropriately.

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 12:15:51 -05:00 committed by Greg Kroah-Hartman
parent 68f99d4911
commit 29b2780974
1 changed files with 4 additions and 4 deletions
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8
drivers/staging/unisys/visorbus/visorchipset.c
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@ -676,18 +676,18 @@ device_changestate_responder(enum controlvm_id cmd_id,
CONTROLVM_QUEUE_REQUEST, &outmsg);
}
static void
static int
device_responder(enum controlvm_id cmd_id,
struct controlvm_message_header *pending_msg_hdr,
int response)
{
if (!pending_msg_hdr)
return; /* no controlvm response needed */
return -EIO;
if (pending_msg_hdr->id != (u32)cmd_id)
return;
return -EINVAL;
controlvm_respond(pending_msg_hdr, response);
return controlvm_respond(pending_msg_hdr, response);
}
static int