ASoC: msm: Add NULL checks before pointer dereferencing

Dereferencing pointers without NULL checks can cause
a crash.  Fix by checking against NULL before dereferencing.

Change-Id: Ia5357dfc2b82c59ec54a256732edf4a663a6e1e4
Signed-off-by: Prashanth Reddy <pgreddy@codeaurora.org>
1 file changed