perf tools: Pass build_id object to dso__build_id_equal()

[linux-2.6-microblaze.git] / tools / perf / util / symbol-elf.c

diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 97a55f1..44dd86a 100644 (file)
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -834,13 +834,17 @@ int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name,
        /* Always reject images with a mismatched build-id: */
        if (dso->has_build_id && !symbol_conf.ignore_vmlinux_buildid) {
                u8 build_id[BUILD_ID_SIZE];
+               struct build_id bid;
+               int size;
 
-               if (elf_read_build_id(elf, build_id, BUILD_ID_SIZE) < 0) {
+               size = elf_read_build_id(elf, build_id, BUILD_ID_SIZE);
+               if (size <= 0) {
                        dso->load_errno = DSO_LOAD_ERRNO__CANNOT_READ_BUILDID;
                        goto out_elf_end;
                }
 
-               if (!dso__build_id_equal(dso, build_id)) {
+               build_id__init(&bid, build_id, size);
+               if (!dso__build_id_equal(dso, &bid)) {
                        pr_debug("%s: build id mismatch for %s.\n", __func__, name);
                        dso->load_errno = DSO_LOAD_ERRNO__MISMATCHING_BUILDID;
                        goto out_elf_end;