diff options
Diffstat (limited to 'tools/lib/bpf/ringbuf.c')
| -rw-r--r-- | tools/lib/bpf/ringbuf.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/tools/lib/bpf/ringbuf.c b/tools/lib/bpf/ringbuf.c index 1d80ad4e0de8..8bc117bcc7bc 100644 --- a/tools/lib/bpf/ringbuf.c +++ b/tools/lib/bpf/ringbuf.c @@ -69,23 +69,23 @@ int ring_buffer__add(struct ring_buffer *rb, int map_fd, err = -errno; pr_warn("ringbuf: failed to get map info for fd=%d: %d\n", map_fd, err); - return err; + return libbpf_err(err); } if (info.type != BPF_MAP_TYPE_RINGBUF) { pr_warn("ringbuf: map fd=%d is not BPF_MAP_TYPE_RINGBUF\n", map_fd); - return -EINVAL; + return libbpf_err(-EINVAL); } tmp = libbpf_reallocarray(rb->rings, rb->ring_cnt + 1, sizeof(*rb->rings)); if (!tmp) - return -ENOMEM; + return libbpf_err(-ENOMEM); rb->rings = tmp; tmp = libbpf_reallocarray(rb->events, rb->ring_cnt + 1, sizeof(*rb->events)); if (!tmp) - return -ENOMEM; + return libbpf_err(-ENOMEM); rb->events = tmp; r = &rb->rings[rb->ring_cnt]; @@ -103,7 +103,7 @@ int ring_buffer__add(struct ring_buffer *rb, int map_fd, err = -errno; pr_warn("ringbuf: failed to mmap consumer page for map fd=%d: %d\n", map_fd, err); - return err; + return libbpf_err(err); } r->consumer_pos = tmp; @@ -118,7 +118,7 @@ int ring_buffer__add(struct ring_buffer *rb, int map_fd, ringbuf_unmap_ring(rb, r); pr_warn("ringbuf: failed to mmap data pages for map fd=%d: %d\n", map_fd, err); - return err; + return libbpf_err(err); } r->producer_pos = tmp; r->data = tmp + rb->page_size; @@ -133,7 +133,7 @@ int ring_buffer__add(struct ring_buffer *rb, int map_fd, ringbuf_unmap_ring(rb, r); pr_warn("ringbuf: failed to epoll add map fd=%d: %d\n", map_fd, err); - return err; + return libbpf_err(err); } rb->ring_cnt++; @@ -165,11 +165,11 @@ ring_buffer__new(int map_fd, ring_buffer_sample_fn sample_cb, void *ctx, int err; if (!OPTS_VALID(opts, ring_buffer_opts)) - return NULL; + return errno = EINVAL, NULL; rb = calloc(1, sizeof(*rb)); if (!rb) - return NULL; + return errno = ENOMEM, NULL; rb->page_size = getpagesize(); @@ -188,7 +188,7 @@ ring_buffer__new(int map_fd, ring_buffer_sample_fn sample_cb, void *ctx, err_out: ring_buffer__free(rb); - return NULL; + return errno = -err, NULL; } static inline int roundup_len(__u32 len) @@ -260,7 +260,7 @@ int ring_buffer__consume(struct ring_buffer *rb) err = ringbuf_process_ring(ring); if (err < 0) - return err; + return libbpf_err(err); res += err; } if (res > INT_MAX) @@ -279,7 +279,7 @@ int ring_buffer__poll(struct ring_buffer *rb, int timeout_ms) cnt = epoll_wait(rb->epoll_fd, rb->events, rb->ring_cnt, timeout_ms); if (cnt < 0) - return -errno; + return libbpf_err(-errno); for (i = 0; i < cnt; i++) { __u32 ring_id = rb->events[i].data.fd; @@ -287,7 +287,7 @@ int ring_buffer__poll(struct ring_buffer *rb, int timeout_ms) err = ringbuf_process_ring(ring); if (err < 0) - return err; + return libbpf_err(err); res += err; } if (res > INT_MAX) |