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path: root/drivers/hid/hid-logitech-dj.c
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Diffstat (limited to 'drivers/hid/hid-logitech-dj.c')
-rw-r--r--drivers/hid/hid-logitech-dj.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index 486dbde2ba2d..b7ba82960c79 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -238,13 +238,6 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev,
return;
}
- if ((dj_report->device_index < DJ_DEVICE_INDEX_MIN) ||
- (dj_report->device_index > DJ_DEVICE_INDEX_MAX)) {
- dev_err(&djrcv_hdev->dev, "%s: invalid device index:%d\n",
- __func__, dj_report->device_index);
- return;
- }
-
if (djrcv_dev->paired_dj_devices[dj_report->device_index]) {
/* The device is already known. No need to reallocate it. */
dbg_hid("%s: device is already known\n", __func__);
@@ -557,7 +550,7 @@ static int logi_dj_ll_raw_request(struct hid_device *hid,
if (!out_buf)
return -ENOMEM;
- if (count < DJREPORT_SHORT_LENGTH - 2)
+ if (count > DJREPORT_SHORT_LENGTH - 2)
count = DJREPORT_SHORT_LENGTH - 2;
out_buf[0] = REPORT_ID_DJ_SHORT;
@@ -690,6 +683,12 @@ static int logi_dj_raw_event(struct hid_device *hdev,
* device (via hid_input_report() ) and return 1 so hid-core does not do
* anything else with it.
*/
+ if ((dj_report->device_index < DJ_DEVICE_INDEX_MIN) ||
+ (dj_report->device_index > DJ_DEVICE_INDEX_MAX)) {
+ dev_err(&hdev->dev, "%s: invalid device index:%d\n",
+ __func__, dj_report->device_index);
+ return false;
+ }
spin_lock_irqsave(&djrcv_dev->lock, flags);
if (dj_report->report_id == REPORT_ID_DJ_SHORT) {