tree 0f86b5420e6cb1efff31caa0fc6f3ae59d4cdb9d
parent a2f6309e8392e2c14c04594fca8b4876c8c9bc36
author Takashi Iwai <tiwai@suse.de> 1258015828 +0100
committer Takashi Iwai <tiwai@suse.de> 1258015828 +0100

ALSA: hda - Don't access invalid substream in proc file

The commit e3303235209c0496b490e10ab131e72a9568c153
"ALSA: hda - proc - show which I/O NID is associated to PCM device"
introduces the access to substream pointer.  But, PCMs may have no
substreams in one or both directions, and this results in NULL
dereference.  Also, print the first substream number doesn't make
sense.

This patch removes the access to the substream pointer, and reformat
to fit to the standard coding style.

Signed-off-by: Takashi Iwai <tiwai@suse.de>