[PATCH 12/14] staging: unisys: visorbus: device_responder add error handling

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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@xxxxxxxxxx>
Reported-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/staging/unisys/visorbus/visorchipset.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index f740b52..50e245e 100644
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -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
-- 
git-series 0.8.11
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