ASoC: soc-compress: Change the check for codec_dai

ASoC: soc-compress: Change the check for codec_dai

It should be better to reverse the check on codec_dai
and returned early in order to be easier to understand.

Fixes: 241595f46c52 ("ASoC: soc-compress: prevent the potentially use of null pointer")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220310030041.1556323-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>