| Message ID | 0854e7bb4c3d810a48ec8b5853e2f61af36a0467.1666346426.git.asml.silence@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | fail io_uring zc with sockets not supporting it | expand |
diff --git a/io_uring/net.c b/io_uring/net.c index 26ff3675214d..15dea91625e2 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -1153,6 +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;
The previous patch fails zerocopy send requests for protocols that don't support it, do the same for zerocopy sendmsg. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> --- io_uring/net.c | 2 ++ 1 file changed, 2 insertions(+)