From: Sergey Vlasov Date: Thu, 9 Nov 2006 05:34:27 +0000 (-0500) Subject: Input: psmouse - fix attribute access on 64-bit systems X-Git-Tag: firefly_0821_release~31904^2~426 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=eb5d5829b368c5e32f248a70797bee5a414a2ef0;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Dmitry Torokhov --- diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 9144df65e703..58beca99a9c3 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -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;