diff options
Diffstat (limited to 'io_uring/net.c')
| -rw-r--r-- | io_uring/net.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/io_uring/net.c b/io_uring/net.c index 8c7226b5bf41..15dea91625e2 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -1056,6 +1056,8 @@ int io_send_zc(struct io_kiocb *req, unsigned int issue_flags) sock = sock_from_file(req->file); if (unlikely(!sock)) return -ENOTSOCK; + if (!test_bit(SOCK_SUPPORT_ZC, &sock->flags)) + return -EOPNOTSUPP; msg.msg_name = NULL; msg.msg_control = NULL; @@ -1151,6 +1153,8 @@ int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags) sock = sock_from_file(req->file); if (unlikely(!sock)) return -ENOTSOCK; + if (!test_bit(SOCK_SUPPORT_ZC, &sock->flags)) + return -EOPNOTSUPP; if (req_has_async_data(req)) { kmsg = req->async_data; |