remove unused return in drivers/block/pktcdvd.c

Found this on Coverty's linux bug database (http://linuxbugsdb.coverity.com) if anyone else is interested, you can ask for a login at [email protected].

The function pkt_iosched_process_queue makes a call to bdev_get_queue and stores the result but never uses it, so it looks like it can be safely removed.

This patch applies to linus' latest Git tree 099d44e869f1886b5eb02a5145ca97b5e4142e28.

@@ -501,14 +501,11 @@ static void pkt_queue_bio(struct pktcdvd
  */
 static void pkt_iosched_process_queue(struct pktcdvd_device *pd)
 {
-	request_queue_t *q;
 
 	if (atomic_read(&pd->iosched.attention) == 0)
 		return;
 	atomic_set(&pd->iosched.attention, 0);
 
-	q = bdev_get_queue(pd->bdev);
-
 	for (;;) {
 		struct bio *bio;
 		int reads_queued, writes_queued;

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