io_uring: deferred send/recvmsg should assign iov
Don't just assign it from the main call path, that can miss the case when we're called from issue deferral. Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Родитель
8a4955ff1c
Коммит
d96885658d
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@ -2026,6 +2026,7 @@ static int io_sendmsg_prep(struct io_kiocb *req, struct io_async_ctx *io)
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flags = READ_ONCE(sqe->msg_flags);
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msg = (struct user_msghdr __user *)(unsigned long) READ_ONCE(sqe->addr);
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io->msg.iov = io->msg.fast_iov;
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return sendmsg_copy_msghdr(&io->msg.msg, msg, flags, &io->msg.iov);
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#else
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return 0;
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@ -2061,7 +2062,6 @@ static int io_sendmsg(struct io_kiocb *req, const struct io_uring_sqe *sqe,
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} else {
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kmsg = &io.msg.msg;
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kmsg->msg_name = &addr;
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io.msg.iov = io.msg.fast_iov;
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ret = io_sendmsg_prep(req, &io);
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if (ret)
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goto out;
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@ -2104,6 +2104,7 @@ static int io_recvmsg_prep(struct io_kiocb *req, struct io_async_ctx *io)
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flags = READ_ONCE(sqe->msg_flags);
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msg = (struct user_msghdr __user *)(unsigned long) READ_ONCE(sqe->addr);
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io->msg.iov = io->msg.fast_iov;
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return recvmsg_copy_msghdr(&io->msg.msg, msg, flags, &io->msg.uaddr,
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&io->msg.iov);
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#else
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@ -2143,7 +2144,6 @@ static int io_recvmsg(struct io_kiocb *req, const struct io_uring_sqe *sqe,
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} else {
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kmsg = &io.msg.msg;
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kmsg->msg_name = &addr;
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io.msg.iov = io.msg.fast_iov;
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ret = io_recvmsg_prep(req, &io);
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if (ret)
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goto out;
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