diff options
| -rw-r--r-- | tools/perf/util/build-id.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/header.c | 14 | ||||
| -rw-r--r-- | tools/perf/util/header.h | 2 |
3 files changed, 8 insertions, 10 deletions
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index e9665150e9b1..4baa5329439f 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -304,7 +304,7 @@ static int write_buildid(const char *name, size_t name_len, u8 *build_id, b.header.misc = misc; b.header.size = sizeof(b) + len; - err = writen(fd, &b, sizeof(b)); + err = do_write(fd, &b, sizeof(b)); if (err < 0) return err; diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 8dda19b68ac4..954f0ef8e712 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -75,17 +75,13 @@ bool perf_header__has_feat(const struct perf_header *header, int feat) } /* Return: 0 if succeded, -ERR if failed. */ -static int do_write(int fd, const void *buf, size_t size) +int do_write(int fd, const void *buf, size_t size) { - while (size) { - int ret = write(fd, buf, size); - - if (ret < 0) - return -errno; + ssize_t ret; - size -= ret; - buf += ret; - } + ret = writen(fd, buf, size); + if (ret != (ssize_t)size) + return ret < 0 ? (int)ret : -1; return 0; } diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index d30109b421ee..e98489c8bba7 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -144,6 +144,8 @@ bool is_perf_magic(u64 magic); #define NAME_ALIGN 64 +int do_write(int fd, const void *buf, size_t size); + int write_padded(int fd, const void *bf, size_t count, size_t count_aligned); /* |