ASoC: pcm: Check for ops before deferencing them

Ensure that we always check that an ops structure is present before we
try to use it, improving the robustness of the system.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Mark Brown 2013-10-30 17:47:39 -07:00
commit c5914b0aae