X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fhid%2Fhid-cypress.c;h=d6cae2632cba2a16c6b553a0b537310e1544c4c2;hp=2f0be4c66af72f356fb2cedf144c1d45375493a7;hb=4faec4a2ef5dd481682cc155cb9ea14ba2534b76;hpb=c151694b2c48d956ac8c8c59c6927f89cc29ef70

diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c
index 2f0be4c66af7..d6cae2632cba 100644
--- a/drivers/hid/hid-cypress.c
+++ b/drivers/hid/hid-cypress.c
@@ -40,6 +40,9 @@ static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 	if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX))
 		return rdesc;
 
+	if (*rsize < 4)
+		return rdesc;
+
 	for (i = 0; i < *rsize - 4; i++)
 		if (rdesc[i] == 0x29 && rdesc[i + 2] == 0x19) {
 			__u8 tmp;
@@ -129,6 +132,8 @@ static const struct hid_device_id cp_devices[] = {
 		.driver_data = CP_RDESC_SWAPPED_MIN_MAX },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3),
 		.driver_data = CP_RDESC_SWAPPED_MIN_MAX },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4),
+		.driver_data = CP_RDESC_SWAPPED_MIN_MAX },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE),
 		.driver_data = CP_2WHEEL_MOUSE_HACK },
 	{ }