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authorLiam Girdwood <liam.r.girdwood@linux.intel.com>2014-07-30 20:18:32 +0800
committerMark Brown <broonie@linaro.org>2014-07-30 13:24:21 +0100
commit30bba67c43c0dd36696d1209c19afc3f25f2f3f3 (patch)
treeb63eab449330ebadb9d50e098b166a515072821a /sound/soc/intel
parent543ec637e00a9000772c315a8c98fa6ede563c5b (diff)
downloadblackbird-op-linux-30bba67c43c0dd36696d1209c19afc3f25f2f3f3.tar.gz
blackbird-op-linux-30bba67c43c0dd36696d1209c19afc3f25f2f3f3.zip
ASoC: Intel: Check ops before we derefference pointers.
Check ops pointer members before we can derefference them. Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com> Signed-off-by: Jie Yang <yang.jie@intel.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/intel')
-rw-r--r--sound/soc/intel/sst-dsp.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/sound/soc/intel/sst-dsp.c b/sound/soc/intel/sst-dsp.c
index 0b715b20a2d7..cd23060a0d86 100644
--- a/sound/soc/intel/sst-dsp.c
+++ b/sound/soc/intel/sst-dsp.c
@@ -224,19 +224,23 @@ EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits64);
void sst_dsp_dump(struct sst_dsp *sst)
{
- sst->ops->dump(sst);
+ if (sst->ops->dump)
+ sst->ops->dump(sst);
}
EXPORT_SYMBOL_GPL(sst_dsp_dump);
void sst_dsp_reset(struct sst_dsp *sst)
{
- sst->ops->reset(sst);
+ if (sst->ops->reset)
+ sst->ops->reset(sst);
}
EXPORT_SYMBOL_GPL(sst_dsp_reset);
int sst_dsp_boot(struct sst_dsp *sst)
{
- sst->ops->boot(sst);
+ if (sst->ops->boot)
+ sst->ops->boot(sst);
+
return 0;
}
EXPORT_SYMBOL_GPL(sst_dsp_boot);
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