Thread (9 messages) 9 messages, 6 authors, 2021-05-13

Re: [PATCH 1/2] HID: hid-sensor-hub: Return error for hid_set_field() failure

From: Jonathan Cameron <jic23@kernel.org>
Date: 2021-04-18 11:12:19
Also in: linux-iio, lkml

On Thu, 15 Apr 2021 11:52:31 -0700
Srinivas Pandruvada [off-list ref] wrote:
In the function sensor_hub_set_feature(), return error when hid_set_field()
fails.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Series applied to the to greg branch of iio.git.  Note these won't make the
coming merge window, so will turn up in next sometime after rc1.

thanks,

Jonathan
quoted hunk ↗ jump to hunk
---
 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);
  
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