perf symbols: Remove open coded management of  long_name_allocated member

Instead of expecting callers to set this member accodingly so that later
at dso destruction it can, if needed, be correctly free()d, make it a
requirement by passing it as a parameter to dso__set_long_name.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-na7t1tqim22vuqkt4zq5n4ri@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 9a5de88..5029ee1 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1159,7 +1159,7 @@
 		dso->data_type = DSO_BINARY_TYPE__GUEST_KCORE;
 	else
 		dso->data_type = DSO_BINARY_TYPE__KCORE;
-	dso__set_long_name(dso, strdup(kcore_filename));
+	dso__set_long_name(dso, strdup(kcore_filename), true);
 
 	close(fd);
 
@@ -1438,8 +1438,7 @@
 			dso->data_type = DSO_BINARY_TYPE__GUEST_VMLINUX;
 		else
 			dso->data_type = DSO_BINARY_TYPE__VMLINUX;
-		dso__set_long_name(dso, (char *)vmlinux);
-		dso->long_name_allocated = vmlinux_allocated;
+		dso__set_long_name(dso, (char *)vmlinux, vmlinux_allocated);
 		dso__set_loaded(dso, map->type);
 		pr_debug("Using %s for symbols\n", symfs_vmlinux);
 	}
@@ -1631,7 +1630,7 @@
 	free(kallsyms_allocated_filename);
 
 	if (err > 0 && !dso__is_kcore(dso)) {
-		dso__set_long_name(dso, strdup("[kernel.kallsyms]"));
+		dso__set_long_name(dso, strdup("[kernel.kallsyms]"), true);
 		map__fixup_start(map);
 		map__fixup_end(map);
 	}
@@ -1679,7 +1678,7 @@
 		pr_debug("Using %s for symbols\n", kallsyms_filename);
 	if (err > 0 && !dso__is_kcore(dso)) {
 		machine__mmap_name(machine, path, sizeof(path));
-		dso__set_long_name(dso, strdup(path));
+		dso__set_long_name(dso, strdup(path), true);
 		map__fixup_start(map);
 		map__fixup_end(map);
 	}