Commit 954dab19 authored by Jackie Liu's avatar Jackie Liu Committed by Jens Axboe
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io_uring: use kmemdup instead of kmalloc and memcpy 



Just clean up the code, no function changes.

Signed-off-by: default avatarJackie Liu <liuyun01@kylinos.cn>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 5277deaa

fs/io_uring.c

+1 −3
Original line number Diff line number Diff line
@@ -2098,13 +2098,11 @@ static int __io_queue_sqe(struct io_ring_ctx *ctx, struct io_kiocb *req, 
	if (ret == -EAGAIN && !(req->flags & REQ_F_NOWAIT)) {

		struct io_uring_sqe *sqe_copy;



		sqe_copy = kmalloc(sizeof(*sqe_copy), GFP_KERNEL);

		sqe_copy = kmemdup(s->sqe, sizeof(*sqe_copy), GFP_KERNEL);

		if (sqe_copy) {

			struct async_list *list;



			memcpy(sqe_copy, s->sqe, sizeof(*sqe_copy));

			s->sqe = sqe_copy;



			memcpy(&req->submit, s, sizeof(*s));

			list = io_async_list_from_sqe(ctx, s->sqe);

			if (!io_add_to_prev_work(list, req)) {