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-rw-r--r--Documentation/DocBook/media/v4l/media-func-ioctl.xml48
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>
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