| Message ID | 20180614192642.11708-1-liam.r.girdwood@linux.intel.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | e01b4f624278d5efe5fb5da585ca371947b16680 |
| Headers | show |
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 36a39ba30226..8ede773b1db8 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -4073,6 +4073,13 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) continue; } + /* let users know there is no DAI to link */ + if (!dai_w->priv) { + dev_dbg(card->dev, "dai widget %s has no DAI\n", + dai_w->name); + continue; + } + dai = dai_w->priv; /* ...find all widgets with the same stream and link them */
Sometime a component or topology may configure a DAI widget with no private data leading to a dev_dbg() dereferencne of this data. Fix this to check for non NULL private data and let users know if widget is missing DAI. Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com> --- sound/soc/soc-dapm.c | 7 +++++++ 1 file changed, 7 insertions(+)