Commit 4a551585 authored by Yuan Lin's avatar Yuan Lin Committed by Greg Hackmann
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ASoC: check for null function pointer for dummy device read/write 



Adding check for null function pointer for dummy sound driver
read/write to prevent kernel panic.

Bug: 28838221
Change-Id: I32548a7e37869a17a5f88c646ddbfb8243cadcc0
Signed-off-by: default avatarYuan Lin <yualin@google.com>
parent def9aa8a
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