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 eaa52afe799e6e2237539c337d24d7d4b8e2baae..dcdd75690815596b62883afb81c013a3a6a0baab 100644 (file)
--- 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. */