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Subject: Documentation: media: gen-errors.rst: fix confusing ENOTTY description
Author: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Date: Fri Oct 6 15:45:48 2023 +0200
The text is very, very old and predates /dev/mediaX devices, so the
reference to "media device" is today very confusing.
It also says that the ioctl is not supported by the driver, but a
driver may have multiple device nodes, some support a given ioctl,
and some don't.
Simplify the description: ENOTTY means that the ioctl is not supported
by the file descriptor.
Reported-by: Nicolas Dufresne <nicolas.dufre...@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Reviewed-by: Nicolas Dufresne <nicolas.dufre...@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Documentation/userspace-api/media/gen-errors.rst | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/Documentation/userspace-api/media/gen-errors.rst
b/Documentation/userspace-api/media/gen-errors.rst
index e595d0bea109..4e8defd3612b 100644
--- a/Documentation/userspace-api/media/gen-errors.rst
+++ b/Documentation/userspace-api/media/gen-errors.rst
@@ -59,9 +59,7 @@ Generic Error Codes
- - ``ENOTTY``
- - The ioctl is not supported by the driver, actually meaning that
- the required functionality is not available, or the file
- descriptor is not for a media device.
+ - The ioctl is not supported by the file descriptor.
- - ``ENOSPC``
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