1 files changed, 13 insertions, 6 deletions

diff --git a/drivers/input/mouse/sermouse.c b/drivers/input/mouse/sermouse.c
index a85d74710b44..77b8ee2b9651 100644
--- a/drivers/input/mouse/sermouse.c
+++ b/drivers/input/mouse/sermouse.c
@@ -69,7 +69,8 @@ static void sermouse_process_msc(struct sermouse *sermouse, signed char data)
         switch (sermouse->count) {
 
                 case 0:
-                        if ((data & 0xf8) != 0x80) return;
+                        if ((data & 0xf8) != 0x80)
+                                return;
                         input_report_key(dev, BTN_LEFT,   !(data & 4));
                         input_report_key(dev, BTN_RIGHT,  !(data & 1));
                         input_report_key(dev, BTN_MIDDLE, !(data & 2));
@@ -107,7 +108,10 @@ static void sermouse_process_ms(struct sermouse *sermouse, signed char data)
         struct input_dev *dev = sermouse->dev;
         signed char *buf = sermouse->buf;
 
-        if (data & 0x40) sermouse->count = 0;
+        if (data & 0x40)
+                sermouse->count = 0;
+        else if (sermouse->count == 0)
+                return;
 
         switch (sermouse->count) {
 
@@ -169,7 +173,8 @@ static void sermouse_process_ms(struct sermouse *sermouse, signed char data)
 
                 case 5:
                 case 7: /* Ignore anything besides MZ++ */
-                        if (sermouse->type != SERIO_MZPP) break;
+                        if (sermouse->type != SERIO_MZPP)
+                                break;
 
                         switch (buf[1]) {
 
@@ -206,13 +211,16 @@ static irqreturn_t sermouse_interrupt(struct serio *serio,
 {
         struct sermouse *sermouse = serio_get_drvdata(serio);
 
-        if (time_after(jiffies, sermouse->last + HZ/10)) sermouse->count = 0;
+        if (time_after(jiffies, sermouse->last + HZ/10))
+                sermouse->count = 0;
+
         sermouse->last = jiffies;
 
         if (sermouse->type > SERIO_SUN)
                 sermouse_process_ms(sermouse, data);
         else
                 sermouse_process_msc(sermouse, data);
+
         return IRQ_HANDLED;
 }
 
@@ -258,12 +266,11 @@ static int sermouse_connect(struct serio *serio, struct serio_driver *drv)
         input_dev->id.vendor  = sermouse->type;
         input_dev->id.product = c;
         input_dev->id.version = 0x0100;
-        input_dev->cdev.dev = &serio->dev;
+        input_dev->dev.parent = &serio->dev;
 
         input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
         input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT);
         input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y);
-        input_dev->private = sermouse;
 
         if (c & 0x01) set_bit(BTN_MIDDLE, input_dev->keybit);
         if (c & 0x02) set_bit(BTN_SIDE, input_dev->keybit);