diff options
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 4805e6dfd23..08b6759287f 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -187,7 +187,9 @@ static int do_write(int fd, const void *buf, size_t size) static int __dsos__write_buildid_table(struct list_head *head, int fd) { +#define NAME_ALIGN 64 struct dso *pos; + static const char zero_buf[NAME_ALIGN]; list_for_each_entry(pos, head, node) { int err; @@ -197,14 +199,17 @@ static int __dsos__write_buildid_table(struct list_head *head, int fd) if (!pos->has_build_id) continue; len = pos->long_name_len + 1; - len = ALIGN(len, 64); + len = ALIGN(len, NAME_ALIGN); memset(&b, 0, sizeof(b)); memcpy(&b.build_id, pos->build_id, sizeof(pos->build_id)); b.header.size = sizeof(b) + len; err = do_write(fd, &b, sizeof(b)); if (err < 0) return err; - err = do_write(fd, pos->long_name, len); + err = do_write(fd, pos->long_name, pos->long_name_len + 1); + if (err < 0) + return err; + err = do_write(fd, zero_buf, len - pos->long_name_len + 1); if (err < 0) return err; } |