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authorAmadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>2021-01-14 11:36:01 -0500
committerMark Brown <broonie@kernel.org>2021-01-21 12:37:04 +0000
commitd40ab86f7db3612074d08a317bdb1eb8ba06a37e (patch)
treee865102eeeb8a477d9f01a35ce4c95b3aa8b0779 /sound/soc/soc-topology.c
parentMerge series "ASoC: mediatek: mt8192-mt6359: support DP audio" from Tzung-Bi Shih <tzungbi@google.com>: (diff)
downloadlinux-dev-d40ab86f7db3612074d08a317bdb1eb8ba06a37e.tar.xz
linux-dev-d40ab86f7db3612074d08a317bdb1eb8ba06a37e.zip
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>
Diffstat (limited to 'sound/soc/soc-topology.c')
-rw-r--r--sound/soc/soc-topology.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 950c45008e24..0d182a190c98 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -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 */