26 Jul
2019
26 Jul
'19
12:45 p.m.
On 2019-07-26 01:39, Pierre-Louis Bossart wrote:
This should not happen in production systems but we should test for all callback arguments before invoking the config_stream callback.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com
drivers/soundwire/intel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 68832e613b1e..497879dd9c0d 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -509,7 +509,7 @@ static int intel_config_stream(struct sdw_intel *sdw, struct snd_soc_dai *dai, struct snd_pcm_hw_params *hw_params, int link_id) {
- if (sdw->res->ops && sdw->res->ops->config_stream)
- if (sdw->res->ops && sdw->res->ops->config_stream && sdw->res->arg) return sdw->res->ops->config_stream(sdw->res->arg, substream, dai, hw_params, link_id);
Hmm, declaring local for sdw->res should prove useful here after addition of 4th sdw->res dereference.