ASoC: rsnd: delete unneeded test before of_node_put
authorJulia Lawall <Julia.Lawall@lip6.fr>
Fri, 8 Aug 2014 10:07:49 +0000 (12:07 +0200)
committerMark Brown <broonie@linaro.org>
Sat, 16 Aug 2014 22:06:36 +0000 (17:06 -0500)
Of_node_put supports NULL as its argument, so the initial test is not
necessary.

Suggested by Uwe Kleine-König.

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e;
@@

-if (e)
   of_node_put(e);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@linaro.org>
sound/soc/sh/rcar/core.c

index 19f7896..1922ec5 100644 (file)
@@ -798,10 +798,8 @@ if (name##_node) {                                                 \
                        mod_parse(src);
                        mod_parse(dvc);
 
-                       if (playback)
-                               of_node_put(playback);
-                       if (capture)
-                               of_node_put(capture);
+                       of_node_put(playback);
+                       of_node_put(capture);
                }
 
                dai_i++;