ASoC: dapm: Make sure we have a card when displaying component widgets

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commit 47325078f2 upstream.

The dummy component is reused for all cards so we special case and don't
bind it to any of them.  This means that code like that displaying the
component widgets that tries to look at the card will crash.  In the
future we will fix this by ensuring that the dummy component looks like
other components but that is invasive and so not suitable for a fix.
Instead add a special case check here.

Reported-by: Harry Pan <harry.pan@intel.com>
Suggested-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Mark Brown 2016-03-18 12:04:23 +00:00 • committed by Greg Kroah-Hartman

parent c276b2c81f

commit 99070b6b51

1 changed files with 7 additions and 0 deletions

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sound/soc/soc-dapm.c

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