diff options
Diffstat (limited to 'tools/perf/util/symbol-elf.c')
| -rw-r--r-- | tools/perf/util/symbol-elf.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 61d7c444e6f5..97a55f162ea5 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -595,13 +595,11 @@ out: #endif // HAVE_LIBBFD_BUILDID_SUPPORT -int sysfs__read_build_id(const char *filename, void *build_id, size_t size) +int sysfs__read_build_id(const char *filename, struct build_id *bid) { + size_t size = sizeof(bid->data); int fd, err = -1; - if (size < BUILD_ID_SIZE) - goto out; - fd = open(filename, O_RDONLY); if (fd < 0) goto out; @@ -622,8 +620,9 @@ int sysfs__read_build_id(const char *filename, void *build_id, size_t size) break; if (memcmp(bf, "GNU", sizeof("GNU")) == 0) { size_t sz = min(descsz, size); - if (read(fd, build_id, sz) == (ssize_t)sz) { - memset(build_id + sz, 0, size - sz); + if (read(fd, bid->data, sz) == (ssize_t)sz) { + memset(bid->data + sz, 0, size - sz); + bid->size = sz; err = 0; break; } |