Commit f432c8c8 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
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io_uring: use io_file_from_index in io_msg_grab_file 



Use io_file_from_index instead of open coding it.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230620113235.920399-8-hch@lst.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 60a666f0

io_uring/msg_ring.c

+1 −3
Original line number Diff line number Diff line
@@ -162,14 +162,12 @@ static struct file *io_msg_grab_file(struct io_kiocb *req, unsigned int issue_fl 
	struct io_msg *msg = io_kiocb_to_cmd(req, struct io_msg);

	struct io_ring_ctx *ctx = req->ctx;

	struct file *file = NULL;

	unsigned long file_ptr;

	int idx = msg->src_fd;



	io_ring_submit_lock(ctx, issue_flags);

	if (likely(idx < ctx->nr_user_files)) {

		idx = array_index_nospec(idx, ctx->nr_user_files);

		file_ptr = io_fixed_file_slot(&ctx->file_table, idx)->file_ptr;

		file = (struct file *) (file_ptr & FFS_MASK);

		file = io_file_from_index(&ctx->file_table, idx);

		if (file)

			get_file(file);

	}