perf machine: Pass buffer size to machine__mmap_name

[safe/jmp/linux-2.6] / tools / perf / util / symbol.c

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index dc04636..c9c0bdd 100644 (file)
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1856,7 +1856,7 @@ static int dso__load_guest_kernel_sym(struct dso *self, struct map *map,
 out_try_fixup:
        if (err > 0) {
                if (kallsyms_filename != NULL) {
-                       machine__mmap_name(machine, path);
+                       machine__mmap_name(machine, path, sizeof(path));
                        dso__set_long_name(self, strdup(path));
                }
                map__fixup_start(map);
@@ -1961,8 +1961,8 @@ struct dso *dso__new_kernel(const char *name)
 static struct dso *dso__new_guest_kernel(struct machine *machine,
                                        const char *name)
 {
-       char buff[PATH_MAX];
-       struct dso *self = dso__new(name ?: machine__mmap_name(machine, buff));
+       char bf[PATH_MAX];
+       struct dso *self = dso__new(name ?: machine__mmap_name(machine, bf, sizeof(bf)));
 
        if (self != NULL) {
                dso__set_short_name(self, "[guest.kernel]");