Merge branch 'linux-2.6'

[linux-2.6-omap-h63xx.git] / drivers / media / video / em28xx / em28xx-dvb.c

diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index 7df81575b7f242c23937f7dbe71afb0fb5019a3c..0b2333ee07f8ea6c3bbf7200cd70f47b89c3a61f 100644 (file)
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -251,7 +251,6 @@ static int attach_xc3028(u8 addr, struct em28xx *dev)
                printk(KERN_ERR "%s/2: xc3028 attach failed\n",
                       dev->name);
                dvb_frontend_detach(dev->dvb->frontend);
-               dvb_unregister_frontend(dev->dvb->frontend);
                dev->dvb->frontend = NULL;
                return -EINVAL;
        }
@@ -383,6 +382,11 @@ static int dvb_init(struct em28xx *dev)
        int result = 0;
        struct em28xx_dvb *dvb;
 
+       if (!dev->has_dvb) {
+               /* This device does not support the extension */
+               return 0;
+       }
+
        dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
 
        if (dvb == NULL) {
@@ -445,6 +449,11 @@ out_free:
 
 static int dvb_fini(struct em28xx *dev)
 {
+       if (!dev->has_dvb) {
+               /* This device does not support the extension */
+               return 0;
+       }
+
        if (dev->dvb) {
                unregister_dvb(dev->dvb);
                dev->dvb = NULL;