leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Sergey Vlasov 2006-11-09 00:34:27 -05:00 committed by Dmitry Torokhov
parent 721556150e
commit eb5d5829b3
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/input/mouse/psmouse-base.c
View File

@ -1349,14 +1349,14 @@ 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;
@ -1364,6 +1364,9 @@ static ssize_t psmouse_set_int_attr(struct psmouse *psmouse, void *offset, const
if (*rest)
return -EINVAL;
if ((unsigned int)value != value)
return -EINVAL;
*field = value;
return count;