5 files changed, 14 insertions, 23 deletions
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 45ac7ab003ce..deb85a334c93 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -836,7 +836,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	Dummy = readb(apbs[IndexCard].RamIO + VERS);
 	kfree(adgl);
 	mutex_unlock(&ac_mutex);
-	return 0;
+	return ret;
 
 err:
 	if (warncount) {
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 862c2fd933c7..0e22e3b0a04e 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -546,7 +546,7 @@ static int lp_open(struct inode *inode, struct file *file)
 	}
 	/* Determine if the peripheral supports ECP mode */
 	lp_claim_parport_or_block(&lp_table[minor]);
-	if ( (lp_table[minor].dev->port->modes & PARPORT_MODE_ECP) &&
+	if ((lp_table[minor].dev->port->modes & PARPORT_MODE_ECP) &&
 	     !parport_negotiate(lp_table[minor].dev->port,
 				 IEEE1284_MODE_ECP)) {
 		printk(KERN_INFO "lp%d: ECP mode\n", minor);
@@ -590,7 +590,7 @@ static int lp_do_ioctl(unsigned int minor, unsigned int cmd,
 		return -ENODEV;
 	if ((LP_F(minor) & LP_EXIST) == 0)
 		return -ENODEV;
-	switch ( cmd ) {
+	switch (cmd) {
 		case LPTIME:
 			if (arg > UINT_MAX / HZ)
 				return -EINVAL;
diff --git a/drivers/char/mwave/tp3780i.c b/drivers/char/mwave/tp3780i.c
index 5e1618a76b2a..8588b51202e5 100644
--- a/drivers/char/mwave/tp3780i.c
+++ b/drivers/char/mwave/tp3780i.c
@@ -177,14 +177,10 @@ int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)
 	return retval;
 }
 
-int tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData)
+void tp3780I_Cleanup(THINKPAD_BD_DATA *pBDData)
 {
-	int retval = 0;
-
 	PRINTK_2(TRACE_TP3780I,
 		"tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);
-
-	return retval;
 }
 
 int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)
diff --git a/drivers/char/mwave/tp3780i.h b/drivers/char/mwave/tp3780i.h
index 07685b68538f..8bd976d42fae 100644
--- a/drivers/char/mwave/tp3780i.h
+++ b/drivers/char/mwave/tp3780i.h
@@ -91,7 +91,7 @@ int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData);
 int tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData);
 int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData);
 int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities);
-int tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData);
+void tp3780I_Cleanup(THINKPAD_BD_DATA *pBDData);
 int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
                                void __user *pvBuffer, unsigned int uCount,
                                unsigned long ulDSPAddr);
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 1836cc56e357..59dfd9c421a1 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1456,18 +1456,15 @@ static int add_port(struct ports_device *portdev, u32 id)
 	 */
 	send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 1);
 
-	if (pdrvdata.debugfs_dir) {
-		/*
-		 * Finally, create the debugfs file that we can use to
-		 * inspect a port's state at any time
-		 */
-		snprintf(debugfs_name, sizeof(debugfs_name), "vport%up%u",
-			 port->portdev->vdev->index, id);
-		port->debugfs_file = debugfs_create_file(debugfs_name, 0444,
-							 pdrvdata.debugfs_dir,
-							 port,
-							 &port_debugfs_fops);
-	}
+	/*
+	 * Finally, create the debugfs file that we can use to
+	 * inspect a port's state at any time
+	 */
+	snprintf(debugfs_name, sizeof(debugfs_name), "vport%up%u",
+		 port->portdev->vdev->index, id);
+	port->debugfs_file = debugfs_create_file(debugfs_name, 0444,
+						 pdrvdata.debugfs_dir,
+						 port, &port_debugfs_fops);
 	return 0;
 
 free_inbufs:
@@ -2244,8 +2241,6 @@ static int __init init(void)
 	}
 
 	pdrvdata.debugfs_dir = debugfs_create_dir("virtio-ports", NULL);
-	if (!pdrvdata.debugfs_dir)
-		pr_warn("Error creating debugfs dir for virtio-ports\n");
 	INIT_LIST_HEAD(&pdrvdata.consoles);
 	INIT_LIST_HEAD(&pdrvdata.portdevs);