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path: root/drivers/hid/hid-cougar.c
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Diffstat (limited to 'drivers/hid/hid-cougar.c')
-rw-r--r--drivers/hid/hid-cougar.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/hid/hid-cougar.c b/drivers/hid/hid-cougar.c
index cb8bd8aae15b..5596dd940322 100644
--- a/drivers/hid/hid-cougar.c
+++ b/drivers/hid/hid-cougar.c
@@ -103,10 +103,10 @@ static void cougar_fix_g6_mapping(void)
/*
* Constant-friendly rdesc fixup for mouse interface
*/
-static __u8 *cougar_report_fixup(struct hid_device *hdev, __u8 *rdesc,
- unsigned int *rsize)
+static const __u8 *cougar_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
{
- if (rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
+ if (*rsize >= 117 && rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
(rdesc[115] | rdesc[116] << 8) >= HID_MAX_USAGES) {
hid_info(hdev,
"usage count exceeds max: fixing up report descriptor\n");