ASoC: Intel: Add NULL checks for the stream pointer
authorJie Yang <yang.jie@intel.com>
Wed, 7 Jan 2015 14:07:05 +0000 (22:07 +0800)
committerMark Brown <broonie@kernel.org>
Wed, 7 Jan 2015 17:32:19 +0000 (17:32 +0000)
commitf81677b4d1acc0e7cd74a43bfd9900d9512b90ae
tree14c2e50b3e7cbda84e929cde8502506405a7a882
parentd83901e82010cb3b25e69a9bbe991e9fbd940725
ASoC: Intel: Add NULL checks for the stream pointer

We should not send IPC stream commands to FW when the stream is
NULL, dereference the NULL pointer may also occur without precheck.
Here add NULL pointer checks for these stream APIs.

Signed-off-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/intel/sst-haswell-ipc.c