diff options
| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-07-05 11:37:58 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-07-27 17:53:35 -0300 |
| commit | dfcf4f9d97eec997283e41cef2d2b6956c32fecd (patch) | |
| tree | 072056f3e96d39b68da58dfe6254f812f627f6af /Documentation/DocBook/media/v4l/media-func-ioctl.xml | |
| parent | 43c1daa47d57197c1491411a9f33189f9ef680dd (diff) | |
| download | op-kernel-dev-dfcf4f9d97eec997283e41cef2d2b6956c32fecd.zip op-kernel-dev-dfcf4f9d97eec997283e41cef2d2b6956c32fecd.tar.gz | |
[media] DocBook: Use the generic error code page also for MC API
Instead of having their own generic error codes at the MC API, move
its section to the generic one and be sure that all media ioctl's
will point to it.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/DocBook/media/v4l/media-func-ioctl.xml')
| -rw-r--r-- | Documentation/DocBook/media/v4l/media-func-ioctl.xml | 48 |
1 files changed, 2 insertions, 46 deletions
diff --git a/Documentation/DocBook/media/v4l/media-func-ioctl.xml b/Documentation/DocBook/media/v4l/media-func-ioctl.xml index bda8604..e0ee285 100644 --- a/Documentation/DocBook/media/v4l/media-func-ioctl.xml +++ b/Documentation/DocBook/media/v4l/media-func-ioctl.xml @@ -63,54 +63,10 @@ </refsect1> <refsect1> - <title>Return Value</title> - - <para><function>ioctl()</function> returns <returnvalue>0</returnvalue> on - success. On failure, <returnvalue>-1</returnvalue> is returned, and the - <varname>errno</varname> variable is set appropriately. Generic error codes - are listed below, and request-specific error codes are listed in the + &return-value; + <para>Request-specific error codes are listed in the individual requests descriptions.</para> <para>When an ioctl that takes an output or read/write parameter fails, the parameter remains unmodified.</para> - - <variablelist> - <varlistentry> - <term><errorcode>EBADF</errorcode></term> - <listitem> - <para><parameter>fd</parameter> is not a valid open file descriptor. - </para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>EFAULT</errorcode></term> - <listitem> - <para><parameter>argp</parameter> references an inaccessible memory - area.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>EINVAL</errorcode></term> - <listitem> - <para>The <parameter>request</parameter> or the data pointed to by - <parameter>argp</parameter> is not valid. This is a very common error - code, see the individual ioctl requests listed in - <xref linkend="media-user-func" /> for actual causes.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>ENOMEM</errorcode></term> - <listitem> - <para>Insufficient kernel memory was available to complete the - request.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>ENOTTY</errorcode></term> - <listitem> - <para><parameter>fd</parameter> is not associated with a character - special device.</para> - </listitem> - </varlistentry> - </variablelist> </refsect1> </refentry> |
