io_uring: Fix __io_uring_register() false success
If io_copy_iov() fails, it will break the loop and report success, albeit partially completed operation. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -2616,7 +2616,7 @@ static int io_sqe_buffer_register(struct io_ring_ctx *ctx, void __user *arg,
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ret = io_copy_iov(ctx, &iov, arg, i);
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if (ret)
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break;
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goto err;
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/*
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* Don't impose further limits on the size and buffer
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