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>
diff --git a/sound/soc/intel/sst-dsp.c b/sound/soc/intel/sst-dsp.c
index 0b715b2..cd23060 100644
--- a/sound/soc/intel/sst-dsp.c
+++ b/sound/soc/intel/sst-dsp.c
@@ -224,19 +224,23 @@
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);