[BACKPORT,4.14.y,15/18] ASoC: davinci: Kill BUG_ON() usage
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Message ID 20190905161759.28036-16-mathieu.poirier@linaro.org
State New
Headers show
  • Backport candidate from TI 4.14 product kernel
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Commit Message

Mathieu Poirier Sept. 5, 2019, 4:17 p.m. UTC
From: Takashi Iwai <tiwai@suse.de>

commit befff4fbc27e19b14b343eb4a65d8f75d38b6230 upstream

Don't use BUG_ON() for a non-critical sanity check on production
systems.  This patch replaces with a softer WARN_ON() and an error

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
 sound/soc/davinci/davinci-mcasp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index af6cd8b874f5..b4e6f4a04cb6 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -1748,7 +1748,8 @@  static int davinci_mcasp_get_dma_type(struct davinci_mcasp *mcasp)
 		return PTR_ERR(chan);
-	BUG_ON(!chan->device || !chan->device->dev);
+	if (WARN_ON(!chan->device || !chan->device->dev))
+		return -EINVAL;
 	if (chan->device->dev->of_node)
 		ret = of_property_read_string(chan->device->dev->of_node,