pktcdvd: stop using bdevname in pkt_seq_show

Just use the %pg format specifier instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20220713055317.1888500-5-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

drivers/block/pktcdvd.c

@@ -2460,11 +2460,9 @@ static int pkt_seq_show(struct seq_file *m, void *p)
 {
 	struct pktcdvd_device *pd = m->private;
 	char *msg;
-	char bdev_buf[BDEVNAME_SIZE];
 	int states[PACKET_NUM_STATES];
 
-	seq_printf(m, "Writer %s mapped to %s:\n", pd->name,
-		   bdevname(pd->bdev, bdev_buf));
+	seq_printf(m, "Writer %s mapped to %pg:\n", pd->name, pd->bdev);
 
 	seq_printf(m, "\nSettings:\n");
 	seq_printf(m, "\tpacket size:\t\t%dkB\n", pd->settings.size / 2);