Message ID | 1406722712-8323-1-git-send-email-yang.jie@intel.com (mailing list archive) |
---|---|
State | Accepted |
Commit | 30bba67c43c0dd36696d1209c19afc3f25f2f3f3 |
Headers | show |
On Wed, Jul 30, 2014 at 08:18:32PM +0800, Jie Yang wrote: > From: Liam Girdwood <liam.r.girdwood@linux.intel.com> > > Check ops pointer members before we can derefference them. Applied, thanks.
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 @@ 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);