[alsa-devel] [PATCH] ASoC: intel: initialize return value properly

[Vinod Koul]

On Mon, Nov 06, 2017 at 02:30:36PM +0100, Arnd Bergmann wrote:
> When CONFIG_SND_SOC_HDAC_HDMI is disabled, we can run into an
> uninitialized variable:
> 
> sound/soc/intel/skylake/skl.c: In function 'skl_resume':
> sound/soc/intel/skylake/skl.c:326:6: error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]
> 
> I have run into this on today's linux-next kernel, but it appears
> that this is an older problem that was just hard to trigger
> with randconfig builds as CONFIG_SND_SOC_HDAC_HDMI would in
> effect be impossible to disable when having SND_SOC_INTEL_SKYLAKE
> enabled.

do we need this in changelog :)

Anyway this sound fine to me, so:

Acked-By: Vinod Koul <vinod.koul at intel.com>

> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> ---
>  sound/soc/intel/skylake/skl.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
> index 31d8634e8aa1..acb0ab470ca6 100644
> --- a/sound/soc/intel/skylake/skl.c
> +++ b/sound/soc/intel/skylake/skl.c
> @@ -355,6 +355,7 @@ static int skl_resume(struct device *dev)
>  
>  		if (ebus->cmd_dma_state)
>  			snd_hdac_bus_init_cmd_io(&ebus->bus);
> +		ret = 0;
>  	} else {
>  		ret = _skl_resume(ebus);
>  
> -- 
> 2.9.0
> 

-- 
~Vinod