ASoC: dmaengine: do not use a NULL prepare_slave_config() callback
authorCodrin Ciubotariu <codrin.ciubotariu@microchip.com>
Mon, 7 Mar 2022 12:21:57 +0000 (14:21 +0200)
committerMark Brown <broonie@kernel.org>
Tue, 8 Mar 2022 13:38:56 +0000 (13:38 +0000)
commit9a1e13440a4f2e7566fd4c5eae6a53e6400e08a4
tree22759f4b992c12a5a0cecf37c6fb2d67e0eb8c10
parent9fce18ab0bc20fd7c00c6bc880ed7aaea655918b
ASoC: dmaengine: do not use a NULL prepare_slave_config() callback

Even if struct snd_dmaengine_pcm_config is used, prepare_slave_config()
callback might not be set. Check if this callback is set before using it.

Fixes: fa654e085300 ("ASoC: dmaengine-pcm: Provide default config")
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20220307122202.2251639-2-codrin.ciubotariu@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/soc-generic-dmaengine-pcm.c