diff options
Diffstat (limited to 'include/linux/hid.h')
| -rw-r--r-- | include/linux/hid.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h index 09fbbd7fb784..60f3ff762376 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -989,6 +989,9 @@ static inline int hid_hw_raw_request(struct hid_device *hdev, unsigned char reportnum, __u8 *buf, size_t len, unsigned char rtype, int reqtype) { + if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) + return -EINVAL; + if (hdev->ll_driver->raw_request) return hdev->ll_driver->raw_request(hdev, reportnum, buf, len, rtype, reqtype); @@ -1008,6 +1011,9 @@ static inline int hid_hw_raw_request(struct hid_device *hdev, static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, size_t len) { + if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) + return -EINVAL; + if (hdev->ll_driver->output_report) return hdev->ll_driver->output_report(hdev, buf, len); |