staging: unisys: visorbus: Convert visorchannel_signalremove() return val

Per Documentation/CodingStyle, function names that convey an action or an
imperative command should return an integer. This commit converts the
visorbus API function, visorchannel_signalremove(), to returning integer
values. All uses of this function are updated accordingly.
Signed-off-by: David Binder <david.binder@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/include/visorbus.h

@@ -200,8 +200,8 @@ enum diag_severity {
 	DIAG_SEVERITY_PRINT = 4,
 };
 
-bool visorchannel_signalremove(struct visorchannel *channel, u32 queue,
-			       void *msg);
+int visorchannel_signalremove(struct visorchannel *channel, u32 queue,
+			      void *msg);
 bool visorchannel_signalinsert(struct visorchannel *channel, u32 queue,
 			       void *msg);
 bool visorchannel_signalempty(struct visorchannel *channel, u32 queue);

drivers/staging/unisys/visorbus/visorchannel.c

@@ -270,12 +270,12 @@ signalremove_inner(struct visorchannel *channel, u32 queue, void *msg)
  * @queue:   the queue the message will be removed from
  * @msg:     the message to remove
  *
- * Return: boolean indicating whether the removal succeeded or failed
+ * Return: integer error code indicating the status of the removal
  */
-bool
+int
 visorchannel_signalremove(struct visorchannel *channel, u32 queue, void *msg)
 {
-	bool rc;
+	int rc;
 	unsigned long flags;
 
 	if (channel->needs_lock) {
@@ -286,7 +286,7 @@ visorchannel_signalremove(struct visorchannel *channel, u32 queue, void *msg)
 		rc = signalremove_inner(channel, queue, msg);
 	}
 
-	return !rc;
+	return rc;
 }
 EXPORT_SYMBOL_GPL(visorchannel_signalremove);
 

drivers/staging/unisys/visorbus/visorchipset.c

@@ -2000,8 +2000,8 @@ handle_command(struct controlvm_message inmsg, u64 channel_addr)
 static bool
 read_controlvm_event(struct controlvm_message *msg)
 {
-	if (visorchannel_signalremove(controlvm_channel,
-				      CONTROLVM_QUEUE_EVENT, msg)) {
+	if (!visorchannel_signalremove(controlvm_channel,
+				       CONTROLVM_QUEUE_EVENT, msg)) {
 		/* got a message */
 		if (msg->hdr.flags.test_message == 1)
 			return false;
@@ -2048,9 +2048,9 @@ controlvm_periodic_work(struct work_struct *work)
 	bool got_command = false;
 	bool handle_command_failed = false;
 
-	while (visorchannel_signalremove(controlvm_channel,
-					 CONTROLVM_QUEUE_RESPONSE,
-					 &inmsg))
+	while (!visorchannel_signalremove(controlvm_channel,
+					  CONTROLVM_QUEUE_RESPONSE,
+					  &inmsg))
 		;
 	if (!got_command) {
 		if (controlvm_pending_msg_valid) {

drivers/staging/unisys/visorhba/visorhba_main.c

@@ -927,9 +927,9 @@ drain_queue(struct uiscmdrsp *cmdrsp, struct visorhba_devdata *devdata)
 	struct scsi_cmnd *scsicmd;
 
 	while (1) {
-		if (!visorchannel_signalremove(devdata->dev->visorchannel,
-					       IOCHAN_FROM_IOPART,
-					       cmdrsp))
+		if (visorchannel_signalremove(devdata->dev->visorchannel,
+					      IOCHAN_FROM_IOPART,
+					      cmdrsp))
 			break; /* queue empty */
 
 		if (cmdrsp->cmdtype == CMD_SCSI_TYPE) {

drivers/staging/unisys/visorinput/visorinput.c

@@ -581,7 +581,7 @@ visorinput_channel_interrupt(struct visor_device *dev)
 
 	visorinput_dev = devdata->visorinput_dev;
 
-	while (visorchannel_signalremove(dev->visorchannel, 0, &r)) {
+	while (!visorchannel_signalremove(dev->visorchannel, 0, &r)) {
 		scancode = r.activity.arg1;
 		keycode = scancode_to_keycode(scancode);
 		switch (r.activity.action) {

drivers/staging/unisys/visornic/visornic_main.c

@@ -1539,9 +1539,9 @@ send_rcv_posts_if_needed(struct visornic_devdata *devdata)
 static void
 drain_resp_queue(struct uiscmdrsp *cmdrsp, struct visornic_devdata *devdata)
 {
-	while (visorchannel_signalremove(devdata->dev->visorchannel,
-					 IOCHAN_FROM_IOPART,
-					 cmdrsp))
+	while (!visorchannel_signalremove(devdata->dev->visorchannel,
+					  IOCHAN_FROM_IOPART,
+					  cmdrsp))
 		;
 }
 
@@ -1565,9 +1565,9 @@ service_resp_queue(struct uiscmdrsp *cmdrsp, struct visornic_devdata *devdata,
 	/* TODO: CLIENT ACQUIRE -- Don't really need this at the
 	 * moment
 	 */
-		if (!visorchannel_signalremove(devdata->dev->visorchannel,
-					       IOCHAN_FROM_IOPART,
-					       cmdrsp))
+		if (visorchannel_signalremove(devdata->dev->visorchannel,
+					      IOCHAN_FROM_IOPART,
+					      cmdrsp))
 			break; /* queue empty */
 
 		switch (cmdrsp->net.type) {