diff options
Diffstat (limited to 'Documentation/sound/alsa')
| -rw-r--r-- | Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl index ab3dfe074fb..05ae29ac898 100644 --- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl +++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl @@ -1433,25 +1433,10 @@ <informalexample> <programlisting> <![CDATA[ - if (chip->res_port) { - release_resource(chip->res_port); - kfree_nocheck(chip->res_port); - } + release_and_free_resource(chip->res_port); ]]> </programlisting> </informalexample> - - As you can see, the resource pointer is also to be freed - via <function>kfree_nocheck()</function> after - <function>release_resource()</function> is called. You - cannot use <function>kfree()</function> here, because on ALSA, - <function>kfree()</function> may be a wrapper to its own - allocator with the memory debugging. Since the resource pointer - is allocated externally outside the ALSA, it must be released - via the native - <function>kfree()</function>. - <function>kfree_nocheck()</function> is used for that; it calls - the native <function>kfree()</function> without wrapper. </para> <para> |