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Fri, 28 Mar 2025 16:11:10 -0700 (PDT)
From: Pavel Begunkov <asml.silence@gmail.com>
To: io-uring@vger.kernel.org
Cc: asml.silence@gmail.com
Subject: [PATCH 2/3] io_uring/msg: initialise msg request opcode
Date: Fri, 28 Mar 2025 23:11:50 +0000
Message-ID: <9afe650fcb348414a4529d89f52eb8969ba06efd.1743190078.git.asml.silence@gmail.com>
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It's risky to have msg request opcode set to garbage, so at least
initialise it to nop. Later we might want to add a user inaccessible
opcode for such cases.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
io_uring/msg_ring.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/io_uring/msg_ring.c b/io_uring/msg_ring.c
index bea5a96587b7..6c51b942d020 100644
--- a/io_uring/msg_ring.c
+++ b/io_uring/msg_ring.c
@@ -93,6 +93,7 @@ static int io_msg_remote_post(struct io_ring_ctx *ctx, struct io_kiocb *req,
kmem_cache_free(req_cachep, req);
return -EOWNERDEAD;
}
+ req->opcode = IORING_OP_NOP;
req->cqe.user_data = user_data;
io_req_set_res(req, res, cflags);
percpu_ref_get(&ctx->refs);
--
2.48.1