diff options
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/header.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 3b833f06c4e7..8dda19b68ac4 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -74,6 +74,7 @@ bool perf_header__has_feat(const struct perf_header *header, int feat) return test_bit(feat, header->adds_features); } +/* Return: 0 if succeded, -ERR if failed. */ static int do_write(int fd, const void *buf, size_t size) { while (size) { @@ -89,6 +90,7 @@ static int do_write(int fd, const void *buf, size_t size) return 0; } +/* Return: 0 if succeded, -ERR if failed. */ int write_padded(int fd, const void *bf, size_t count, size_t count_aligned) { static const char zero_buf[NAME_ALIGN]; @@ -103,6 +105,7 @@ int write_padded(int fd, const void *bf, size_t count, size_t count_aligned) #define string_size(str) \ (PERF_ALIGN((strlen(str) + 1), NAME_ALIGN) + sizeof(u32)) +/* Return: 0 if succeded, -ERR if failed. */ static int do_write_string(int fd, const char *str) { u32 len, olen; @@ -3200,7 +3203,8 @@ int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, */ tracing_data_put(tdata); - write_padded(fd, NULL, 0, padding); + if (write_padded(fd, NULL, 0, padding)) + return -1; return aligned_size; } |