linux-kernel - [PATCH 1/2] HID: hid-sensor-hub: Return error for hid_set

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Date:   Thu, 15 Apr 2021 11:52:31 -0700
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     jikos@...nel.org, jic23@...nel.org, benjamin.tissoires@...hat.com
Cc:     jiapeng.chong@...ux.alibaba.com, linux-input@...r.kernel.org,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: [PATCH 1/2] HID: hid-sensor-hub: Return error for hid_set_field() failure

In the function sensor_hub_set_feature(), return error when hid_set_field()
fails.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
---
 drivers/hid/hid-sensor-hub.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 3dd7d3246737..f9983145d4e7 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -210,16 +210,21 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
 	buffer_size = buffer_size / sizeof(__s32);
 	if (buffer_size) {
 		for (i = 0; i < buffer_size; ++i) {
-			hid_set_field(report->field[field_index], i,
-				      (__force __s32)cpu_to_le32(*buf32));
+			ret = hid_set_field(report->field[field_index], i,
+					    (__force __s32)cpu_to_le32(*buf32));
+			if (ret)
+				goto done_proc;
+
 			++buf32;
 		}
 	}
 	if (remaining_bytes) {
 		value = 0;
 		memcpy(&value, (u8 *)buf32, remaining_bytes);
-		hid_set_field(report->field[field_index], i,
-			      (__force __s32)cpu_to_le32(value));
+		ret = hid_set_field(report->field[field_index], i,
+				    (__force __s32)cpu_to_le32(value));
+		if (ret)
+			goto done_proc;
 	}
 	hid_hw_request(hsdev->hdev, report, HID_REQ_SET_REPORT);
 	hid_hw_wait(hsdev->hdev);
-- 
2.27.0