From 954dab193d19cbbff8f83b58c9360bf00ddb273c Mon Sep 17 00:00:00 2001 From: Jackie Liu Date: Wed, 18 Sep 2019 10:37:52 +0800 Subject: [PATCH] io_uring: use kmemdup instead of kmalloc and memcpy Just clean up the code, no function changes. Signed-off-by: Jackie Liu Signed-off-by: Jens Axboe --- fs/io_uring.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 0dadbdb..42a684e 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -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)) { -- 2.7.4