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>

3 files changed, 6 insertions, 18 deletions

diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index 0c5660d28caa..390f1dbb98a4 100644
--- a/drivers/input/mouse/logips2pp.c
+++ b/drivers/input/mouse/logips2pp.c
@@ -157,10 +157,8 @@ static ssize_t ps2pp_attr_show_smartscroll(struct psmouse *psmouse, void *data,
 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 f5a6be1d3c46..9fcb00b8e1a2 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1433,10 +1433,8 @@ static ssize_t psmouse_set_int_attr(struct psmouse *psmouse, void *offset, const
 {
         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_protocol(struct psmouse *psmouse, void *data, co
 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_rate(struct psmouse *psmouse, void *data, const
 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 26b845fc186a..e68c814c4361 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -89,10 +89,8 @@ static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
         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 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
         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)