perf symbols: dsos__read_build_ids() should read both user and kernel buildids

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260396578-19116-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

tools/perf/util/symbol.c

@@ -938,8 +938,9 @@ static bool __dsos__read_build_ids(struct list_head *head)
 
 bool dsos__read_build_ids(void)
 {
-	return __dsos__read_build_ids(&dsos__kernel) ||
-	       __dsos__read_build_ids(&dsos__user);
+	bool kbuildids = __dsos__read_build_ids(&dsos__kernel),
+	     ubuildids = __dsos__read_build_ids(&dsos__user);
+	return kbuildids || ubuildids;
 }
 
 /*