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From: Pavel Begunkov <[email protected]>
To: [email protected]
Cc: Jens Axboe <[email protected]>,
	[email protected], Stefan Metzmacher <[email protected]>
Subject: [PATCH for-6.1 2/2] io_uring/net: fail zc sendmsg for unsupported protocols
Date: Thu, 20 Oct 2022 02:42:36 +0100	[thread overview]
Message-ID: <0f5e5b81ab680649bf56f025da94497f3f6a3f53.1666229889.git.asml.silence@gmail.com> (raw)
In-Reply-To: <[email protected]>

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 <[email protected]>
---
 io_uring/net.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/io_uring/net.c b/io_uring/net.c
index 28127f1de1f0..735eec545115 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -1160,6 +1160,8 @@ int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags)
 	sock = sock_from_file(req->file);
 	if (unlikely(!sock))
 		return -ENOTSOCK;
+	if (!io_sock_support_zc(sock))
+		return -EOPNOTSUPP;
 
 	if (req_has_async_data(req)) {
 		kmsg = req->async_data;
-- 
2.38.0


  parent reply	other threads:[~2022-10-20  1:43 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-20  1:42 [PATCH for-6.1 0/2] don't fallback if sock doesn't undestand zc Pavel Begunkov
2022-10-20  1:42 ` [PATCH for-6.1 1/2] io_uring/net: fail zc send for unsupported protocols Pavel Begunkov
2022-10-20  9:13   ` Stefan Metzmacher
2022-10-20 12:48     ` Pavel Begunkov
2022-10-20 13:05       ` Stefan Metzmacher
2022-10-20 12:49     ` Jens Axboe
2022-10-20 12:53       ` Pavel Begunkov
2022-10-20 12:59         ` Jens Axboe
2022-10-20  1:42 ` Pavel Begunkov [this message]
2022-10-20  2:26 ` [PATCH for-6.1 0/2] don't fallback if sock doesn't undestand zc Jens Axboe

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