holder is just an on-stack pointer that can easily be reused by other calls,
replace it with a static variable that doesn't change.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230608110258.189493-12-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
return error;
}
+static void *swsusp_holder;
+
/**
* swsusp_check - Check for swsusp signature in the resume device
*/
int swsusp_check(bool snapshot_test)
{
int error;
- void *holder;
fmode_t mode = FMODE_READ;
if (snapshot_test)
mode |= FMODE_EXCL;
hib_resume_bdev = blkdev_get_by_dev(swsusp_resume_device,
- mode, &holder, NULL);
+ mode, &swsusp_holder, NULL);
if (!IS_ERR(hib_resume_bdev)) {
set_blocksize(hib_resume_bdev, PAGE_SIZE);
clear_page(swsusp_header);