From: Takashi Iwai Date: Tue, 29 Mar 2016 10:29:24 +0000 (+0200) Subject: ALSA: hda - Clear the leftover component assignment at snd_hdac_i915_exit() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=faafd03d23c913633d2ef7e6ffebdce01b164409;p=linux-beck.git ALSA: hda - Clear the leftover component assignment at snd_hdac_i915_exit() The commit [d745f5e7b8b2: ALSA: hda - Add the pin / port mapping on Intel ILK and VLV] introduced a WARN_ON() to check the pointer for avoiding the double initializations. But hdac_acomp pointer wasn't cleared at snd_hdac_i915_exit(), thus after reloading the HD-audio driver, it may result in the false positive warning. This patch makes sure to clear the leftover pointer at exit. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94736 Reported-by: Daniela Doras-prodan Signed-off-by: Takashi Iwai --- diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c index 750a4ea49fa9..ae0f305a7e41 100644 --- a/sound/hda/hdac_i915.c +++ b/sound/hda/hdac_i915.c @@ -372,6 +372,7 @@ int snd_hdac_i915_exit(struct hdac_bus *bus) kfree(acomp); bus->audio_component = NULL; + hdac_acomp = NULL; return 0; }