Re: [PATCH] Fix for possible null pointer dereference in dma.c

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Hi,

Rickard Strandqvist wrote:
> There is otherwise a risk of a possible null pointer dereference.
> 
> Was largely found by using a static code analysis program called cppcheck.
> 
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
> ---
>  sound/soc/samsung/dma.c |   10 ++++++----
>  1 fil ändrad, 6 tillägg(+), 4 borttagningar(-)
> 
> diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c
> index dc09b71..b1f6757 100644
> --- a/sound/soc/samsung/dma.c
> +++ b/sound/soc/samsung/dma.c
> @@ -115,17 +115,19 @@ static void dma_enqueue(struct snd_pcm_substream *substream)
>  static void audio_buffdone(void *data)
>  {
>  	struct snd_pcm_substream *substream = data;
> -	struct runtime_data *prtd = substream->runtime->private_data;
> +	struct runtime_data *prtd = NULL;
>  
>  	pr_debug("Entered %s\n", __func__);
>  
> -	if (prtd->state & ST_RUNNING) {
> +	if(substream)
>
Missing space.


Lothar Waßmann
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