[PATCH 3/4] media: uvcvideo: Return -EACCES for Wrong state error

From: Ricardo Ribalda
Date: Thu Sep 09 2021 - 11:01:29 EST


For error 2 (Wrong state) return -EACCES instead of -EILSEQ.
EACCES is a much more appropriate error code. EILSEQ will return
"Invalid or incomplete multibyte or wide character." in strerror(),
which is a *very* confusing message.

Suggested-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
---
drivers/media/usb/uvc/uvc_video.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index dfea967309f2..8423941cfc95 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -108,7 +108,7 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit,
case 1: /* Not ready */
return -EBUSY;
case 2: /* Wrong state */
- return -EILSEQ;
+ return -EACCES;
case 3: /* Power */
return -EREMOTE;
case 4: /* Out of range */
--
2.33.0.153.gba50c8fa24-goog