Getting debug_file can trigger warnings if not set. Avoid getting
these warnings by pushing the use under the controlling if.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/util/maps.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/maps.c b/tools/perf/util/maps.c
index 779f6230130a..44cfd63f10dc 100644
--- a/tools/perf/util/maps.c
+++ b/tools/perf/util/maps.c
@@ -811,7 +811,6 @@ static int __maps__insert_sorted(struct maps *maps, unsigned int first_after_ind
 static int __maps__fixup_overlap_and_insert(struct maps *maps, struct map *new)
 {
 	int err = 0;
-	FILE *fp = debug_file();
 	unsigned int i, ni = INT_MAX; // Some gcc complain, but depends on maps_by_name...
 
 	if (!maps__maps_by_address_sorted(maps))
@@ -839,8 +838,8 @@ static int __maps__fixup_overlap_and_insert(struct maps *maps, struct map *new)
 				dso__name(map__dso(new)));
 		} else if (verbose >= 2) {
 			pr_debug("overlapping maps:\n");
-			map__fprintf(new, fp);
-			map__fprintf(pos, fp);
+			map__fprintf(new, debug_file());
+			map__fprintf(pos, debug_file());
 		}
 
 		if (maps_by_name)
@@ -861,7 +860,7 @@ static int __maps__fixup_overlap_and_insert(struct maps *maps, struct map *new)
 			map__set_end(before, map__start(new));
 
 			if (verbose >= 2 && !use_browser)
-				map__fprintf(before, fp);
+				map__fprintf(before, debug_file());
 		}
 		if (map__end(new) < map__end(pos)) {
 			/* The new map isn't as long as the existing map. */
@@ -879,7 +878,7 @@ static int __maps__fixup_overlap_and_insert(struct maps *maps, struct map *new)
 			       map__map_ip(after, map__end(new)));
 
 			if (verbose >= 2 && !use_browser)
-				map__fprintf(after, fp);
+				map__fprintf(after, debug_file());
 		}
 		/*
 		 * If adding one entry, for `before` or `after`, we can replace
-- 
2.51.1.851.g4ebd6896fd-goog