Input: psmouse - fix attribute access on 64-bit systems

psmouse_show_int_attr() and psmouse_set_int_attr() were accessing
unsigned int fields as unsigned long, which gave garbage on x86_64.

Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index b2bed1acfd73070cbd9201e0c963d88686acf08d..aaf3f89dac896e3a9a82f62438b4fed876aea704 100644 (file)
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1310,20 +1310,22 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev
 
 static ssize_t psmouse_show_int_attr(struct psmouse *psmouse, void *offset, char *buf)
 {
-       unsigned long *field = (unsigned long *)((char *)psmouse + (size_t)offset);
+       unsigned int *field = (unsigned int *)((char *)psmouse + (size_t)offset);
 
-       return sprintf(buf, "%lu\n", *field);
+       return sprintf(buf, "%u\n", *field);
 }
 
 static ssize_t psmouse_set_int_attr(struct psmouse *psmouse, void *offset, const char *buf, size_t count)
 {
-       unsigned long *field = (unsigned long *)((char *)psmouse + (size_t)offset);
+       unsigned int *field = (unsigned int *)((char *)psmouse + (size_t)offset);
        unsigned long value;
        char *rest;
 
        value = simple_strtoul(buf, &rest, 10);
        if (*rest)
                return -EINVAL;
+       if ((unsigned int)value != value)
+               return -EINVAL;
 
        *field = value;