From: Richard Weinberger <richard@nod.at>
Date: Sun, 20 Jul 2014 11:16:20 +0000 (+0200)
Subject: um: Fix hung task in fix_range_common()
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~259^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=468f65976a8d065ee1f27782337f4ee85a9151c5;p=pandora-kernel.git

um: Fix hung task in fix_range_common()

If do_ops() fails we have to release current->mm->mmap_sem
otherwise the failing task will never terminate.

Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
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