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authorJiri Kosina <jkosina@suse.cz>2020-10-15 21:41:00 +0300
committerJiri Kosina <jkosina@suse.cz>2020-10-15 21:41:00 +0300
commit146f9d9189b153c3132429578554f3a7896081fc (patch)
tree86edbe98ce5159c98ff2f00547149971d94c8cd5 /drivers
parentdf975502e5b793d40e094df8c8b1252f6b28a554 (diff)
parent5eae59cc876c8c1043d3eb55a2e965bb36e90bba (diff)
downloadlinux-146f9d9189b153c3132429578554f3a7896081fc.tar.xz
Merge branch 'for-5.10/wiimote' into for-linus
- code cleanups for hid-wiimote
Diffstat (limited to 'drivers')
-rw-r--r--drivers/hid/hid-wiimote-core.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
index e484c3618dec..41012681cafd 100644
--- a/drivers/hid/hid-wiimote-core.c
+++ b/drivers/hid/hid-wiimote-core.c
@@ -1586,7 +1586,7 @@ struct wiiproto_handler {
void (*func)(struct wiimote_data *wdata, const __u8 *payload);
};
-static struct wiiproto_handler handlers[] = {
+static const struct wiiproto_handler handlers[] = {
{ .id = WIIPROTO_REQ_STATUS, .size = 6, .func = handler_status },
{ .id = WIIPROTO_REQ_STATUS, .size = 2, .func = handler_status_K },
{ .id = WIIPROTO_REQ_DATA, .size = 21, .func = handler_data },
@@ -1618,19 +1618,19 @@ static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report,
u8 *raw_data, int size)
{
struct wiimote_data *wdata = hid_get_drvdata(hdev);
- struct wiiproto_handler *h;
+ const struct wiiproto_handler *h;
int i;
unsigned long flags;
if (size < 1)
return -EINVAL;
- spin_lock_irqsave(&wdata->state.lock, flags);
-
for (i = 0; handlers[i].id; ++i) {
h = &handlers[i];
if (h->id == raw_data[0] && h->size < size) {
+ spin_lock_irqsave(&wdata->state.lock, flags);
h->func(wdata, &raw_data[1]);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
break;
}
}
@@ -1639,8 +1639,6 @@ static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report,
hid_warn(hdev, "Unhandled report %hhu size %d\n", raw_data[0],
size);
- spin_unlock_irqrestore(&wdata->state.lock, flags);
-
return 0;
}