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| author | Taylor Hutt <thutt@chromium.org> | 2011-05-17 18:03:54 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-05-18 09:33:27 -0700 |
| commit | 539494253547d078089cc15490e83f6e5f2e7213 (patch) | |
| tree | a7403953e75a747ab85f896f93e9e5b464efe225 /sound | |
| parent | 34e268d87d60da7968d7300aae7d575be9d16ae7 (diff) | |
| download | linux-3.10-539494253547d078089cc15490e83f6e5f2e7213.tar.gz linux-3.10-539494253547d078089cc15490e83f6e5f2e7213.tar.bz2 linux-3.10-539494253547d078089cc15490e83f6e5f2e7213.zip | |
ASoC: Max98095: Move existing NULL check before pointer dereference.
Visual inspection shows that max98095_put_eq_enum() and
max98095_put_bq_enum() each have a possible NULL deref of 'pdata'.
This change moves the NULL check above the use.
Signed-off-by: Taylor Hutt <thutt@chromium.org>
Acked-by: Peter Hsiang <Peter.Hsiang@maxim-ic.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/max98095.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c index a6cc94e1750..e1d282d477d 100644 --- a/sound/soc/codecs/max98095.c +++ b/sound/soc/codecs/max98095.c @@ -1872,16 +1872,14 @@ static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol, BUG_ON(channel > 1); - cdata = &max98095->dai[channel]; + if (!pdata || !max98095->eq_textcnt) + return 0; if (sel >= pdata->eq_cfgcnt) return -EINVAL; + cdata = &max98095->dai[channel]; cdata->eq_sel = sel; - - if (!pdata || !max98095->eq_textcnt) - return 0; - fs = cdata->rate; /* Find the selected configuration with nearest sample rate */ @@ -2020,16 +2018,14 @@ static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol, BUG_ON(channel > 1); - cdata = &max98095->dai[channel]; + if (!pdata || !max98095->bq_textcnt) + return 0; if (sel >= pdata->bq_cfgcnt) return -EINVAL; + cdata = &max98095->dai[channel]; cdata->bq_sel = sel; - - if (!pdata || !max98095->bq_textcnt) - return 0; - fs = cdata->rate; /* Find the selected configuration with nearest sample rate */ |