V4L/DVB (7890): cx18: removed bogus and confusing conditional

Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/video/cx18/cx18-driver.c

···
 
 	free_irq(cx->dev->irq, (void *)cx);
 
-	if (cx->dev)
-		cx18_iounmap(cx);
+	cx18_iounmap(cx);
 
 	release_mem_region(cx->base_addr, CX18_MEM_SIZE);