io_uring: refactor io_close

A small refactoring shrinking it and making easier to read.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/19b24eed7cd491a0243b50366dd2a23b558e2665.1618101759.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-04-11 01:46:28 +01:00 committed by Jens Axboe
parent 3f48cf18f8
commit a1fde923e3

View File

@ -4181,11 +4181,9 @@ static int io_close(struct io_kiocb *req, unsigned int issue_flags)
struct files_struct *files = current->files;
struct io_close *close = &req->close;
struct fdtable *fdt;
struct file *file;
int ret;
struct file *file = NULL;
int ret = -EBADF;
file = NULL;
ret = -EBADF;
spin_lock(&files->file_lock);
fdt = files_fdtable(files);
if (close->fd >= fdt->max_fds) {
@ -4193,12 +4191,7 @@ static int io_close(struct io_kiocb *req, unsigned int issue_flags)
goto err;
}
file = fdt->fd[close->fd];
if (!file) {
spin_unlock(&files->file_lock);
goto err;
}
if (file->f_op == &io_uring_fops) {
if (!file || file->f_op == &io_uring_fops) {
spin_unlock(&files->file_lock);
file = NULL;
goto err;