diff options
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvbdev.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c index 826b47f155a0..490337b5ee3e 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.c +++ b/drivers/media/dvb/dvb-core/dvbdev.c @@ -199,12 +199,14 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, const struct dvb_device *template, void *priv, int type) { struct dvb_device *dvbdev; + struct file_operations *dvbdevfops; + int id; if (mutex_lock_interruptible(&dvbdev_register_lock)) return -ERESTARTSYS; - if ((id = dvbdev_get_free_id (adap, type)) < 0) { + if ((id = dvbdev_get_free_id (adap, type)) < 0){ mutex_unlock(&dvbdev_register_lock); *pdvbdev = NULL; printk ("%s: could get find free device id...\n", __FUNCTION__); @@ -213,7 +215,15 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, *pdvbdev = dvbdev = kmalloc(sizeof(struct dvb_device), GFP_KERNEL); - if (!dvbdev) { + if (!dvbdev){ + mutex_unlock(&dvbdev_register_lock); + return -ENOMEM; + } + + dvbdevfops = kzalloc(sizeof(struct file_operations), GFP_KERNEL); + + if (!dvbdevfops){ + kfree (dvbdev); mutex_unlock(&dvbdev_register_lock); return -ENOMEM; } @@ -223,7 +233,9 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, dvbdev->id = id; dvbdev->adapter = adap; dvbdev->priv = priv; + dvbdev->fops = dvbdevfops; + memcpy(dvbdev->fops, template->fops, sizeof(struct file_operations)); dvbdev->fops->owner = adap->module; list_add_tail (&dvbdev->list_head, &adap->device_list); @@ -251,6 +263,7 @@ void dvb_unregister_device(struct dvb_device *dvbdev) dvbdev->type, dvbdev->id))); list_del (&dvbdev->list_head); + kfree (dvbdev->fops); kfree (dvbdev); } EXPORT_SYMBOL(dvb_unregister_device); |