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ASoC: topology: Ensure that needed parameters are set 

As snd_soc_tplg_component_load is exported function, which means it is
part of API, there should be checks if it is called with proper
parameters.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20210114163602.911205-2-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Amadeusz Sławiński 2021-01-14 11:36:01 -05:00 committed by Mark Brown
parent 879a67e357
commit d40ab86f7d
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1 changed files with 8 additions and 2 deletions
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10
sound/soc/soc-topology.c
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@ -2659,8 +2659,14 @@ int snd_soc_tplg_component_load(struct snd_soc_component *comp,
struct soc_tplg tplg;
int ret;
/* component needs to exist to keep and reference data while parsing */
if (!comp)
/*
* check if we have sane parameters:
* comp - needs to exist to keep and reference data while parsing
* comp->dev - used for resource management and prints
* comp->card - used for setting card related parameters
* fw - we need it, as it is the very thing we parse
*/
if (!comp || !comp->dev || !comp->card || !fw)
return -EINVAL;
/* setup parsing context */