HID: alps: pass correct sizes to hid_hw_raw_request()

Calculating size of the report as sizeof(pointer) always passess the length
corresponding to the pointer type, not the underlying data report.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c
index 098bce621c6c..ff64c92906a6 100644
--- a/drivers/hid/hid-alps.c
+++ b/drivers/hid/hid-alps.c
@@ -136,7 +136,8 @@ static int u1_read_write_register(struct hid_device *hdev, u32 address,
 
         input[7] = check_sum;
         ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, input,
-                        sizeof(input), HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+                        sizeof(u8)*U1_FEATURE_REPORT_LEN, HID_FEATURE_REPORT,
+                        HID_REQ_SET_REPORT);
 
         if (ret < 0) {
                 dev_err(&hdev->dev, "failed to read command (%d)\n", ret);
@@ -145,8 +146,8 @@ static int u1_read_write_register(struct hid_device *hdev, u32 address,
 
         if (read_flag) {
                 ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, readbuf,
-                                sizeof(readbuf), HID_FEATURE_REPORT,
-                                HID_REQ_GET_REPORT);
+                                sizeof(u8)*U1_FEATURE_REPORT_LEN,
+                                HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
 
                 if (ret < 0) {
                         dev_err(&hdev->dev, "failed read register (%d)\n", ret);