From 468f65976a8d065ee1f27782337f4ee85a9151c5 Mon Sep 17 00:00:00 2001
From: Richard Weinberger <richard@nod.at>
Date: Sun, 20 Jul 2014 13:16:20 +0200
Subject: [PATCH] um: Fix hung task in fix_range_common()
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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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Reading git-format-patch failed