ALSA: hdac: Fix size allocation for ext device allocation

While creating hdac_ext_device, we used hdev for sizeof insteadof
edev, which resulted in eventual crash of the system Fix the size
here

Fixes: a512f5611646 ('ALSA: hdac: add hdac extended device')
Reported-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/hda/ext/hdac_ext_bus.c b/sound/hda/ext/hdac_ext_bus.c
index 8544e4fb1cd3be3cf231ddf998ce38b686a25034..4449d1a990893db4078a102b9da0f92835d5add3 100644 (file)
--- a/sound/hda/ext/hdac_ext_bus.c
+++ b/sound/hda/ext/hdac_ext_bus.c
@@ -139,7 +139,7 @@ int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *ebus, int addr)
        char name[15];
        int ret;
 
-       edev = kzalloc(sizeof(*hdev), GFP_KERNEL);
+       edev = kzalloc(sizeof(*edev), GFP_KERNEL);
        if (!edev)
                return -ENOMEM;
        hdev = &edev->hdac;