diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -53,7 +53,7 @@ static unsigned int psmouse_smartscroll 
 module_param_named(smartscroll, psmouse_smartscroll, bool, 0644);
 MODULE_PARM_DESC(smartscroll, "Logitech Smartscroll autorepeat, 1 = enabled (default), 0 = disabled.");
 
-static unsigned int psmouse_resetafter;
+static unsigned int psmouse_resetafter = 1;
 module_param_named(resetafter, psmouse_resetafter, uint, 0644);
 MODULE_PARM_DESC(resetafter, "Reset device after so many bad packets (0 = never).");
 
@@ -96,6 +96,10 @@ static psmouse_ret_t psmouse_process_byt
 	struct input_dev *dev = &psmouse->dev;
 	unsigned char *packet = psmouse->packet;
 
+	if ((packet[0] & 8) == 0)
+		return PSMOUSE_BAD_DATA;
+
+
 	if (psmouse->pktcnt < psmouse->pktsize)
 		return PSMOUSE_GOOD_DATA;