perf tools: Remove filter parameter of thread__find_addr_map()

Now that the symbol filter is recorded on the machine there is no need
to pass it to thread__find_addr_map().  So remove it.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1375961547-30267-9-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/unwind.c b/tools/perf/util/unwind.c
index abac3f9..2f891f7 100644
--- a/tools/perf/util/unwind.c
+++ b/tools/perf/util/unwind.c
@@ -272,7 +272,7 @@
 	struct addr_location al;
 
 	thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER,
-			      MAP__FUNCTION, ip, &al, NULL);
+			      MAP__FUNCTION, ip, &al);
 	return al.map;
 }
 
@@ -349,7 +349,7 @@
 	ssize_t size;
 
 	thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER,
-			      MAP__FUNCTION, addr, &al, NULL);
+			      MAP__FUNCTION, addr, &al);
 	if (!al.map) {
 		pr_debug("unwind: no map for %lx\n", (unsigned long)addr);
 		return -1;