From e19b6a48bfeddc3102b757df36f9da17c5215c5b Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 19 Feb 2014 17:49:50 +0100
Subject: [PATCH] journal: don't clobber return parameters of
 sd_journal_get_cutoff_realtime_usec() on failure

(cherry picked from commit 581483bf59ea62147739e71dd2216477be03411c)
---
 src/journal/sd-journal.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index f4af1f6..b1bd61f 100644
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -2359,6 +2359,7 @@ _public_ int sd_journal_get_cutoff_realtime_usec(sd_journal *j, uint64_t *from,
         Iterator i;
         JournalFile *f;
         bool first = true;
+        uint64_t fmin = 0, tmax = 0;
         int r;
 
         if (!j)
@@ -2382,19 +2383,20 @@ _public_ int sd_journal_get_cutoff_realtime_usec(sd_journal *j, uint64_t *from,
                         continue;
 
                 if (first) {
-                        if (from)
-                                *from = fr;
-                        if (to)
-                                *to = t;
+                        fmin = fr;
+                        tmax = t;
                         first = false;
                 } else {
-                        if (from)
-                                *from = MIN(fr, *from);
-                        if (to)
-                                *to = MAX(t, *to);
+                        fmin = MIN(fr, fmin);
+                        tmax = MAX(t, tmax);
                 }
         }
 
+        if (from)
+                *from = fmin;
+        if (to)
+                *to = tmax;
+
         return first ? 0 : 1;
 }