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Date: Thu, 29 Sep 2011 09:33:14 +0800 From: Dave Young <hidave.darkstar@...il.com> To: Axel Lin <axel.lin@...il.com> Cc: linux-kernel@...r.kernel.org, Liam Girdwood <lrg@...com>, Mark Brown <broonie@...nsource.wolfsonmicro.com>, alsa-devel@...a-project.org, Peter Hsiang <peter.hsiang@...im-ic.com>, Jesse Marroquin <jesse.marroquin@...im-ic.com> Subject: Re: [PATCH 2/2] ASoC: Add BUG() assertion if max98095_get_bq_channel returns -EINVAL On Wed, Sep 28, 2011 at 10:02 PM, Axel Lin <axel.lin@...il.com> wrote: > The callers use the return value of max98095_get_bq_channel as array index to > access max98095->dai[] array. > Add BUG() assertion for out of bound access of max98095->dai[] array. > > Signed-off-by: Axel Lin <axel.lin@...il.com> > --- > sound/soc/codecs/max98095.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c > index 668434d..973c02d 100644 > --- a/sound/soc/codecs/max98095.c > +++ b/sound/soc/codecs/max98095.c > @@ -1998,6 +1998,7 @@ static int max98095_get_bq_channel(const char *name) > return 0; > if (strcmp(name, "Biquad2 Mode") == 0) > return 1; > + BUG(); > return -EINVAL; below better? BUG_ON(strcmp(name, "Biquad2 Mode")); return 1; Or BUG_ON(channel < 0) in caller > } > > -- > 1.7.4.1 > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- Regards Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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