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Peter Wu authored
commit ab58d8cc upstream. register_vga_switcheroo() sets the PM ops from the hda structure which is freed later in azx_free. Make sure that these ops are cleared. Caught by KASAN, initially noticed due to a general protection fault. Fixes: 246efa4a ("snd/hda: add runtime suspend/resume on optimus support (v4)") Signed-off-by:
Peter Wu <peter@lekensteyn.nl> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
4c9e14a2