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-rw-r--r--samples/bpf/tcp_bufs_kern.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/samples/bpf/tcp_bufs_kern.c b/samples/bpf/tcp_bufs_kern.c
index ee83bbabd17c..0566b7fa38a1 100644
--- a/samples/bpf/tcp_bufs_kern.c
+++ b/samples/bpf/tcp_bufs_kern.c
@@ -41,8 +41,10 @@ int bpf_bufs(struct bpf_sock_ops *skops)
* if neither port numberis 55601
*/
if (bpf_ntohl(skops->remote_port) != 55601 &&
- skops->local_port != 55601)
- return -1;
+ skops->local_port != 55601) {
+ skops->reply = -1;
+ return 1;
+ }
op = (int) skops->op;
@@ -61,8 +63,8 @@ int bpf_bufs(struct bpf_sock_ops *skops)
/* Set sndbuf and rcvbuf of active connections */
rv = bpf_setsockopt(skops, SOL_SOCKET, SO_SNDBUF, &bufsize,
sizeof(bufsize));
- rv = rv*100 + bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
- &bufsize, sizeof(bufsize));
+ rv += bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
+ &bufsize, sizeof(bufsize));
break;
case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
/* Nothing to do */
@@ -71,8 +73,8 @@ int bpf_bufs(struct bpf_sock_ops *skops)
/* Set sndbuf and rcvbuf of passive connections */
rv = bpf_setsockopt(skops, SOL_SOCKET, SO_SNDBUF, &bufsize,
sizeof(bufsize));
- rv = rv*100 + bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
- &bufsize, sizeof(bufsize));
+ rv += bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
+ &bufsize, sizeof(bufsize));
break;
default:
rv = -1;