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From cf9e59ad032a56ee14d96f2a6adb6e17f51fa852 Mon Sep 17 00:00:00 2001
From: Remi Collet <fedora@famillecollet.com>
Date: Sat, 4 Feb 2017 10:39:23 +0100
Subject: [PATCH] Fix #75: don't change umask value

---
 common/trace_mmap.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/common/trace_mmap.c b/common/trace_mmap.c
index a051ecd..02a433c 100644
--- a/common/trace_mmap.c
+++ b/common/trace_mmap.c
@@ -77,10 +77,12 @@ int pt_mmap_open(pt_segment_t *seg, const char *file, size_t size)
 int pt_mmap_create(pt_segment_t *seg, const char *file, size_t size)
 {
     int fd;
+    mode_t um;
 
     /* file open */
-    umask(0000);
+    um = umask(0000);
     fd = open(file, O_RDWR | O_CREAT, DEFFILEMODE);
+    umask(um);
     if (fd == -1) {
         return reset_with_retval(seg, -1);
     }