From: Luke Shumaker <lukeshu@parabola.nu>
Date: Thu, 28 Dec 2017 18:08:06 +0000 (-0500)
Subject: linux-user: init_guest_space: Clean up if we can't initialize the commpage
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f2024817548f9538cbe626f88ca9f37ff0f5d468;p=qemu.git

linux-user: init_guest_space: Clean up if we can't initialize the commpage

We'll just exit with an error anyway, so it doesn't really matter, but it
is cleaned up in all of the other places were we error out.

Signed-off-by: Luke Shumaker <lukeshu@parabola.nu>
Message-Id: <20171228180814.9749-4-lukeshu@lukeshu.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index eaa52afe79..dcdd756908 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1860,6 +1860,7 @@ unsigned long init_guest_space(unsigned long host_start,
             if (valid == 1) {
                 break;
             } else if (valid == -1) {
+                munmap((void *)real_start, host_size);
                 return (unsigned long)-1;
             }
             /* valid == 0, so try again. */