Messages in this thread | | | Date | Mon, 19 May 2014 07:39:47 +0200 | From | Lothar Waßmann <> | Subject | 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@spectrumdigital.se> > --- > 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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