perf symbols: Accept symbols starting at address 0

[karo-tx-linux.git] / tools / perf / builtin-buildid-cache.c

diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index 64b44e81c7715a1c38df8e0309bde80b7d24bf86..9eba7f1add1f9706f2b8153fb33f3574b362d5ee 100644 (file)
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -49,19 +49,22 @@ static bool same_kallsyms_reloc(const char *from_dir, char *to_dir)
        char to[PATH_MAX];
        const char *name;
        u64 addr1 = 0, addr2 = 0;
-       int i;
+       int i, err = -1;
 
        scnprintf(from, sizeof(from), "%s/kallsyms", from_dir);
        scnprintf(to, sizeof(to), "%s/kallsyms", to_dir);
 
        for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) {
-               addr1 = kallsyms__get_function_start(from, name);
-               if (addr1)
+               err = kallsyms__get_function_start(from, name, &addr1);
+               if (!err)
                        break;
        }
 
-       if (name)
-               addr2 = kallsyms__get_function_start(to, name);
+       if (err)
+               return false;
+
+       if (kallsyms__get_function_start(to, name, &addr2))
+               return false;
 
        return addr1 == addr2;
 }