From: Michael Buesch <mb@bu3sch.de>
Date: Tue, 22 Sep 2009 23:43:36 +0000 (-0700)
Subject: dac960: fix undefined behavior on empty string
X-Git-Tag: v2.6.32-rc1~401
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e898893399335514b10dfbd75598f8308976abe4;p=pandora-kernel.git

dac960: fix undefined behavior on empty string

Fix undefined behavior due to a buffer underrun if an empty string is
written to the proc file.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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