[morimoto-linux:fw-cleanup-2020-09-18-v1 37/78] sound/soc/soc-dapm.c:1423:6: warning: Variable 'ret' is reassigned a value before the old one has been used.

[morimoto-linux:fw-cleanup-2020-09-18-v1 37/78] sound/soc/soc-dapm.c:1423:6: warning: Variable 'ret' is reassigned a value before the old one has been used.

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
TO: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

tree:   https://github.com/morimoto/linux fw-cleanup-2020-09-18-v1
head:   4f9e6f32d18a2f52dbb9fe4a1e29823f8d0612df
commit: bb3112f1e929c6fedf37fb16911b273a92ca2364 [37/78] ASoC: soc-dapm: indicate error message at all functions
:::::: branch date: 4 hours ago
:::::: commit date: 4 days ago
compiler: mipsel-linux-gcc (GCC) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


cppcheck warnings: (new ones prefixed by >>)

>> sound/soc/soc-dapm.c:1423:6: warning: Variable 'ret' is reassigned a value before the old one has been used. [redundantAssignment]
    ret = pinctrl_select_state(p, s);
        ^
   sound/soc/soc-dapm.c:1408:0: note: Variable 'ret' is reassigned a value before the old one has been used.
    int ret = -EIO;
   ^
   sound/soc/soc-dapm.c:1423:6: note: Variable 'ret' is reassigned a value before the old one has been used.
    ret = pinctrl_select_state(p, s);
        ^
   sound/soc/soc-dapm.c:1443:7: warning: Variable 'ret' is reassigned a value before the old one has been used. [redundantAssignment]
     ret = clk_prepare_enable(w->clk);
         ^
   sound/soc/soc-dapm.c:1435:0: note: Variable 'ret' is reassigned a value before the old one has been used.
    int ret = -EIO;
   ^
   sound/soc/soc-dapm.c:1443:7: note: Variable 'ret' is reassigned a value before the old one has been used.
     ret = clk_prepare_enable(w->clk);
         ^

# https://github.com/morimoto/linux/commit/bb3112f1e929c6fedf37fb16911b273a92ca2364
git remote add morimoto-linux https://github.com/morimoto/linux
git fetch --no-tags morimoto-linux fw-cleanup-2020-09-18-v1
git checkout bb3112f1e929c6fedf37fb16911b273a92ca2364
vim +/ret +1423 sound/soc/soc-dapm.c

62ea874abc11f02 Mark Brown          2012-01-21  1398  
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1399  /*
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1400   * Handler for pinctrl widget.
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1401   */
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1402  int dapm_pinctrl_event(struct snd_soc_dapm_widget *w,
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1403  		       struct snd_kcontrol *kcontrol, int event)
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1404  {
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1405  	struct snd_soc_dapm_pinctrl_priv *priv = w->priv;
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1406  	struct pinctrl *p = w->pinctrl;
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1407  	struct pinctrl_state *s;
bb3112f1e929c6f Kuninori Morimoto   2019-09-27  1408  	int ret = -EIO;
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1409  
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1410  	if (!p || !priv)
bb3112f1e929c6f Kuninori Morimoto   2019-09-27  1411  		goto out;
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1412  
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1413  	if (SND_SOC_DAPM_EVENT_ON(event))
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1414  		s = pinctrl_lookup_state(p, priv->active_state);
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1415  	else
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1416  		s = pinctrl_lookup_state(p, priv->sleep_state);
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1417  
bb3112f1e929c6f Kuninori Morimoto   2019-09-27  1418  	if (IS_ERR(s)) {
bb3112f1e929c6f Kuninori Morimoto   2019-09-27  1419  		ret = PTR_ERR(s);
bb3112f1e929c6f Kuninori Morimoto   2019-09-27  1420  		goto out;
bb3112f1e929c6f Kuninori Morimoto   2019-09-27  1421  	}
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1422  
bb3112f1e929c6f Kuninori Morimoto   2019-09-27 @1423  	ret = pinctrl_select_state(p, s);
bb3112f1e929c6f Kuninori Morimoto   2019-09-27  1424  out:
bb3112f1e929c6f Kuninori Morimoto   2019-09-27  1425  	return soc_dapm_ret(w->dapm->dev, ret);
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1426  }
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1427  EXPORT_SYMBOL_GPL(dapm_pinctrl_event);
5b2d15bbd1eeb3d Srinivas Kandagatla 2018-03-10  1428  

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