Input: convert drivers to use strict_strtoul()

strict_strtoul() allows newline character at the end of the the input
string and therefore is more user-friendly.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index 0c5660d..390f1db 100644
--- a/drivers/input/mouse/logips2pp.c
+++ b/drivers/input/mouse/logips2pp.c
@@ -157,10 +157,8 @@
 static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data, const char *buf, size_t count)
 {
 	unsigned long value;
-	char *rest;
 
-	value = simple_strtoul(buf, &rest, 10);
-	if (*rest || value > 1)
+	if (strict_strtoul(buf, 10, &value) || value > 1)
 		return -EINVAL;
 
 	ps2pp_set_smartscroll(psmouse, value);
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index f5a6be1..9fcb00b 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1433,10 +1433,8 @@
 {
 	unsigned int *field = (unsigned int *)((char *)psmouse + (size_t)offset);
 	unsigned long value;
-	char *rest;
 
-	value = simple_strtoul(buf, &rest, 10);
-	if (*rest)
+	if (strict_strtoul(buf, 10, &value))
 		return -EINVAL;
 
 	if ((unsigned int)value != value)
@@ -1549,10 +1547,8 @@
 static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, void *data, const char *buf, size_t count)
 {
 	unsigned long value;
-	char *rest;
 
-	value = simple_strtoul(buf, &rest, 10);
-	if (*rest)
+	if (strict_strtoul(buf, 10, &value))
 		return -EINVAL;
 
 	psmouse->set_rate(psmouse, value);
@@ -1562,10 +1558,8 @@
 static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, void *data, const char *buf, size_t count)
 {
 	unsigned long value;
-	char *rest;
 
-	value = simple_strtoul(buf, &rest, 10);
-	if (*rest)
+	if (strict_strtoul(buf, 10, &value))
 		return -EINVAL;
 
 	psmouse->set_resolution(psmouse, value);
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 26b845f..e68c814 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -89,10 +89,8 @@
 	struct trackpoint_attr_data *attr = data;
 	unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
 	unsigned long value;
-	char *rest;
 
-	value = simple_strtoul(buf, &rest, 10);
-	if (*rest || value > 255)
+	if (strict_strtoul(buf, 10, &value) || value > 255)
 		return -EINVAL;
 
 	*field = value;
@@ -117,10 +115,8 @@
 	struct trackpoint_attr_data *attr = data;
 	unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
 	unsigned long value;
-	char *rest;
 
-	value = simple_strtoul(buf, &rest, 10);
-	if (*rest || value > 1)
+	if (strict_strtoul(buf, 10, &value) || value > 1)
 		return -EINVAL;
 
 	if (attr->inverted)