V4L/DVB (10212): Convert to be a pci driver

This is a really old and crufty driver that wasn't using the long
established pci driver framework.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Acked-by: Jean Delvare <khali@linux-fr.org>
[mchehab@redhat.com: Cleaned up a few CodingStyle issues]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/zoran/zoran_card.h

@@ -40,7 +40,7 @@ extern int zr36067_debug;
 
 /* Anybody who uses more than four? */
 #define BUZ_MAX 4
-extern int zoran_num;
+extern atomic_t zoran_num;
 extern struct zoran *zoran[BUZ_MAX];
 
 extern struct video_device zoran_template;

drivers/media/video/zoran/zoran_driver.c

@@ -1206,7 +1206,7 @@ zoran_open(struct file  *file)
 
 	lock_kernel();
 	/* find the device */
-	for (i = 0; i < zoran_num; i++) {
+	for (i = 0; i < atomic_read(&zoran_num); i++) {
 		if (zoran[i]->video_dev->minor == minor) {
 			zr = zoran[i];
 			break;