ALSA: hda: fix NULL pointer dereference during suspend
When the ASoC card registration fails and the codec component driver never probes, the codec device is not initialized and therefore memory for codec->wcaps is not allocated. This results in a NULL pointer dereference when the codec driver suspend callback is invoked during system suspend. Fix this by returning without performing any actions during codec suspend/resume if the card was not registered successfully. Reviewed-by:Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by:
Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://lore.kernel.org/r/20200728231011.1454066-1-ranjani.sridharan@linux.intel.com Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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c2c3657f