Commit cc767e7c authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe

io_uring/net: fail zc sendmsg when unsupported by socket

The previous patch fails zerocopy send requests for protocols that don't
support it, do the same for zerocopy sendmsg.
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/0854e7bb4c3d810a48ec8b5853e2f61af36a0467.1666346426.git.asml.silence@gmail.comSigned-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent edf81438
...@@ -1153,6 +1153,8 @@ int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags) ...@@ -1153,6 +1153,8 @@ int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags)
sock = sock_from_file(req->file); sock = sock_from_file(req->file);
if (unlikely(!sock)) if (unlikely(!sock))
return -ENOTSOCK; return -ENOTSOCK;
if (!test_bit(SOCK_SUPPORT_ZC, &sock->flags))
return -EOPNOTSUPP;
if (req_has_async_data(req)) { if (req_has_async_data(req)) {
kmsg = req->async_data; kmsg = req->async_data;
......
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