[PATCH v2 03/13] HID: multitouch: make sure the static list of class is not changed

From: Benjamin Tissoires
Date: Thu Jun 07 2018 - 03:57:55 EST


const is a magic keyword here :)

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

---

no changes in v2
---
drivers/hid/hid-multitouch.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 45968f7970f8..91624a2240ca 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -211,7 +211,7 @@ static int cypress_compute_slot(struct mt_device *td)
return -1;
}

-static struct mt_class mt_classes[] = {
+static const struct mt_class mt_classes[] = {
{ .name = MT_CLS_DEFAULT,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_CONTACT_CNT_ACCURATE },
@@ -1432,7 +1432,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret, i;
struct mt_device *td;
- struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
+ const struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */

for (i = 0; mt_classes[i].name ; i++) {
if (id->driver_data == mt_classes[i].name) {
--
2.14.3