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e9024f0ba3
linux/sound/soc
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Liam Girdwood e9024f0ba3 ASoC: Intel: Fix check for pdata usage before dereference. 
This patch fixes the following dereference check ordering.

 sound/soc/intel/sst-haswell-pcm.c:749 hsw_pcm_probe() warn: variable dereferenced before check 'pdata' (see line 746)

 git remote add asoc git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
 git remote update asoc
 git checkout 0b708c87f6
 vim +/pdata +749 sound/soc/intel/sst-haswell-pcm.c

 a4b12990 Mark Brown    2014-03-12  740  };
 a4b12990 Mark Brown    2014-03-12  741
 a4b12990 Mark Brown    2014-03-12  742  static int hsw_pcm_probe(struct snd_soc_platform *platform)
 a4b12990 Mark Brown    2014-03-12  743  {
 a4b12990 Mark Brown    2014-03-12  744  	struct sst_pdata *pdata = dev_get_platdata(platform->dev);
 a4b12990 Mark Brown    2014-03-12  745  	struct hsw_priv_data *priv_data;
 0b708c87 Liam Girdwood 2014-05-02 @746  	struct device *dma_dev = pdata->dma_dev;
 0b708c87 Liam Girdwood 2014-05-02  747  	int i, ret = 0;
 a4b12990 Mark Brown    2014-03-12  748
 a4b12990 Mark Brown    2014-03-12 @749  	if (!pdata)
 a4b12990 Mark Brown    2014-03-12  750  		return -ENODEV;
 a4b12990 Mark Brown    2014-03-12  751
 a4b12990 Mark Brown    2014-03-12  752  	priv_data = devm_kzalloc(platform->dev, sizeof(*priv_data), GFP_KERNEL);

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-05 12:42:00 -07:00
..
adi
atmel
au1x
bcm
blackfin
cirrus Merge remote-tracking branch 'asoc/topic/cirrus' into asoc-next 2014-03-13 14:19:11 +00:00
codecs Merge remote-tracking branches 'asoc/fix/rt5640', 'asoc/fix/samsung', 'asoc/fix/tlv320aic23' and 'asoc/fix/warn' into asoc-linus 2014-04-08 21:22:14 +01:00
davinci ASoC: davinci-mcasp: Fix bit clock polarity settings 2014-04-08 12:56:45 +01:00
dwc
fsl Merge remote-tracking branches 'asoc/fix/alc5632', 'asoc/fix/cs42l52', 'asoc/fix/cs42xxx8', 'asoc/fix/da732x', 'asoc/fix/davinci', 'asoc/fix/fsl-sai', 'asoc/fix/fsl-ssi' and 'asoc/fix/max98090' into asoc-linus 2014-04-08 21:22:11 +01:00
generic ASoC: simple-card: Handle many DAI links 2014-03-25 18:09:20 +00:00
intel ASoC: Intel: Fix check for pdata usage before dereference. 2014-05-05 12:42:00 -07:00
jz4740
kirkwood ARM: SoC: driver changes 2014-04-05 15:37:40 -07:00
mxs
nuc900
omap Merge remote-tracking branches 'asoc/topic/max98090' and 'asoc/topic/omap' into asoc-next 2014-03-23 14:00:55 +00:00
pxa
s6000 ASoC: s6105-ipcam: Convert to table based DAPM setup 2014-03-13 11:43:30 +00:00
samsung ASoC: samsung: Fix build on multiplatform 2014-04-08 12:51:57 +01:00
sh Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next 2014-03-24 11:16:43 +00:00
sirf
spear
tegra Merge remote-tracking branches 'asoc/topic/tdm' and 'asoc/topic/tegra' into asoc-next 2014-03-25 21:22:15 +00:00
txx9
ux500
Kconfig
Makefile
soc-cache.c
soc-compress.c
soc-core.c ASoC: Final updates for v3.15 merge window 2014-03-31 12:33:09 +02:00
soc-dapm.c
soc-devres.c
soc-generic-dmaengine-pcm.c
soc-io.c ASoC: io: Remove support for ASoC cache in conjunction with regmap 2014-03-19 13:10:01 +00:00
soc-jack.c
soc-pcm.c ASoC: Updates for v3.15 2014-03-23 14:00:41 +00:00
soc-utils.c