From 30bba67c43c0dd36696d1209c19afc3f25f2f3f3 Mon Sep 17 00:00:00 2001 From: Liam Girdwood Date: Wed, 30 Jul 2014 20:18:32 +0800 Subject: ASoC: Intel: Check ops before we derefference pointers. Check ops pointer members before we can derefference them. Signed-off-by: Liam Girdwood Signed-off-by: Jie Yang Signed-off-by: Mark Brown --- sound/soc/intel/sst-dsp.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'sound/soc') 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); -- cgit v1.2.1