When dmaengine_pcm_request_chan_of() fails it should release
the previously acquired resources, which in this case is to
call kfree(pcm), so jump to the correct point in the error
path.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>