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ALSA: hda: Drop useless WARN_ON() 

commit a36c263838 upstream.

Since the commit 97cc2ed27e ("ALSA: hda - Fix yet another i915
pointer leftover in error path") cleared hdac_acomp pointer, the
WARN_ON() non-NULL check in snd_hdac_i915_register_notifier() may give
a false-positive warning, as the function gets called no matter
whether the component is registered or not.  For fixing it, let's get
rid of the spurious WARN_ON().

Fixes: 97cc2ed27e ("ALSA: hda - Fix yet another i915 pointer leftover in error path")
Reported-by: Kouta Okamoto <kouta.okamoto@toshiba.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Takashi Iwai 2017-12-22 10:45:07 +01:00 committed by Greg Kroah-Hartman
parent af0dc162f6
commit 056305595a
1 changed files with 1 additions and 1 deletions
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2
sound/hda/hdac_i915.c
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@ -325,7 +325,7 @@ static int hdac_component_master_match(struct device *dev, void *data)
*/
int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *aops)
{
if (WARN_ON(!hdac_acomp))
if (!hdac_acomp)
return -ENODEV;
hdac_acomp->audio_ops = aops;