From 05a89739e9f537855b02f5756ca04b7c77f1e9aa Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 16 Dec 2016 07:22:08 -0200 Subject: [PATCH] [media] gen-errors.rst: document EIO Document the EIO error since this can happen anywhere anytime and applications should be aware of this. Also fix typo: exaustive -> exhaustive Signed-off-by: Hans Verkuil Acked-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- Documentation/media/uapi/gen-errors.rst | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/Documentation/media/uapi/gen-errors.rst b/Documentation/media/uapi/gen-errors.rst index 6e983b9880fc..d39e34d1b19d 100644 --- a/Documentation/media/uapi/gen-errors.rst +++ b/Documentation/media/uapi/gen-errors.rst @@ -94,9 +94,17 @@ Generic Error Codes - Permission denied. Can be returned if the device needs write permission, or some special capabilities is needed (e. g. root) + - .. row 11 + + - ``EIO`` + + - I/O error. Typically used when there are problems communicating with + a hardware device. This could indicate broken or flaky hardware. + It's a 'Something is wrong, I give up!' type of error. + .. note:: - #. This list is not exaustive; ioctls may return other error codes. + #. This list is not exhaustive; ioctls may return other error codes. Since errors may have side effects such as a driver reset, applications should abort on unexpected errors, or otherwise assume that the device is in a bad state. -- 2.20.1