From: Tilman Schmidt <tilman@imap.cc>
Date: Wed, 6 Feb 2008 09:38:30 +0000 (-0800)
Subject: ser_gigaset: convert mutex to completion
X-Git-Tag: v2.6.25-rc1~637
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee51ef0ecbb68fdd7beab8f7b0a20eebe6fd0a62;p=pandora-kernel.git

ser_gigaset: convert mutex to completion

The ser_gigaset ISDN driver was using a mutex in its close() method for
waiting for other running ldisc methods to finish.  That's what completions
are for.  Incidentally, this also avoids a spurious "BUG: lock held at task
exit time" message when the driver's userspace daemon daemonizes itself.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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