[PATCH 4.1 22/78] HID: uclogic: fix limit in uclogic_tablet_enable()
From: Greg Kroah-Hartman
Date: Fri Sep 11 2015 - 19:05:49 EST
4.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit 4a8e70f5d0d80675fc17b9ba1e62db8ca6b91775 upstream.
The limit should be ARRAY_SIZE(params) (5 elements) here instead of
sizeof(params) (20 bytes).
Fixes: 08177f40bd00 ('HID: uclogic: merge hid-huion driver in hid-uclogic')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: Nikolai Kondrashov <spbnick@xxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hid/hid-uclogic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/hid/hid-uclogic.c
+++ b/drivers/hid/hid-uclogic.c
@@ -858,7 +858,7 @@ static int uclogic_tablet_enable(struct
for (p = drvdata->rdesc;
p <= drvdata->rdesc + drvdata->rsize - 4;) {
if (p[0] == 0xFE && p[1] == 0xED && p[2] == 0x1D &&
- p[3] < sizeof(params)) {
+ p[3] < ARRAY_SIZE(params)) {
v = params[p[3]];
put_unaligned(cpu_to_le32(v), (s32 *)p);
p += 4;
--
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