ALSA: pcm: Minor refactoring in snd_pcm_attach_substream()
ALSA: pcm: Minor refactoring in snd_pcm_attach_substream()

No functional changes at all.

Acked-by: Liam Girdwood <1c687ae09fa7f11acd34075a0ae6b39df2be9341@linux.intel.com>
Signed-off-by: Takashi Iwai <4596b3305151c7ee743192a95d394341e3d3b644@suse.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs