From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 10 Feb 2011 16:39:20 +0000 (+0100)
Subject: ALSA: hda - Don't handle empty patch files
X-Git-Tag: v2.6.38-rc5~21^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=41a63f18d339ae6aefe73d45a8147f63f3439b30;p=pandora-kernel.git

ALSA: hda - Don't handle empty patch files

When an empty string is passed to patch option, the driver should
ignore it.  Otherwise it gets an error by trying to load it.

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