From: Vinod Koul <vinod.koul@intel.com>
Date: Sun, 23 Aug 2015 06:22:49 +0000 (+0530)
Subject: ALSA: hdac: Fix size allocation for ext device allocation
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e57690b1aeb208642d00f9b378830b26c9585caf;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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 8544e4fb1cd3..4449d1a99089 100644
--- 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;