Commit 479f517b authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: kill extra check in fixed io_file_get() 



ctx->nr_user_files == 0 IFF ctx->file_data == NULL and there fixed files
are not used. Hence, verifying fds only against ctx->nr_user_files is
enough. Remove the other check from hot path.

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 23329513

fs/io_uring.c

+1 −2
Original line number Diff line number Diff line
@@ -5987,8 +5987,7 @@ static int io_file_get(struct io_submit_state *state, struct io_kiocb *req, 
	struct file *file;



	if (fixed) {

		if (unlikely(!ctx->file_data ||

		    (unsigned) fd >= ctx->nr_user_files))

		if (unlikely((unsigned int)fd >= ctx->nr_user_files))

			return -EBADF;

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

		file = io_file_from_index(ctx, fd);