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, | |||
199 | const struct dvb_device *template, void *priv, int type) | 199 | const struct dvb_device *template, void *priv, int type) |
200 | { | 200 | { |
201 | struct dvb_device *dvbdev; | 201 | struct dvb_device *dvbdev; |
202 | struct file_operations *dvbdevfops; | ||
203 | |||
202 | int id; | 204 | int id; |
203 | 205 | ||
204 | if (mutex_lock_interruptible(&dvbdev_register_lock)) | 206 | if (mutex_lock_interruptible(&dvbdev_register_lock)) |
205 | return -ERESTARTSYS; | 207 | return -ERESTARTSYS; |
206 | 208 | ||
207 | if ((id = dvbdev_get_free_id (adap, type)) < 0) { | 209 | if ((id = dvbdev_get_free_id (adap, type)) < 0){ |
208 | mutex_unlock(&dvbdev_register_lock); | 210 | mutex_unlock(&dvbdev_register_lock); |
209 | *pdvbdev = NULL; | 211 | *pdvbdev = NULL; |
210 | printk ("%s: could get find free device id...\n", __FUNCTION__); | 212 | 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, | |||
213 | 215 | ||
214 | *pdvbdev = dvbdev = kmalloc(sizeof(struct dvb_device), GFP_KERNEL); | 216 | *pdvbdev = dvbdev = kmalloc(sizeof(struct dvb_device), GFP_KERNEL); |
215 | 217 | ||
216 | if (!dvbdev) { | 218 | if (!dvbdev){ |
219 | mutex_unlock(&dvbdev_register_lock); | ||
220 | return -ENOMEM; | ||
221 | } | ||
222 | |||
223 | dvbdevfops = kzalloc(sizeof(struct file_operations), GFP_KERNEL); | ||
224 | |||
225 | if (!dvbdevfops){ | ||
226 | kfree (dvbdev); | ||
217 | mutex_unlock(&dvbdev_register_lock); | 227 | mutex_unlock(&dvbdev_register_lock); |
218 | return -ENOMEM; | 228 | return -ENOMEM; |
219 | } | 229 | } |
@@ -223,7 +233,9 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, | |||
223 | dvbdev->id = id; | 233 | dvbdev->id = id; |
224 | dvbdev->adapter = adap; | 234 | dvbdev->adapter = adap; |
225 | dvbdev->priv = priv; | 235 | dvbdev->priv = priv; |
236 | dvbdev->fops = dvbdevfops; | ||
226 | 237 | ||
238 | memcpy(dvbdev->fops, template->fops, sizeof(struct file_operations)); | ||
227 | dvbdev->fops->owner = adap->module; | 239 | dvbdev->fops->owner = adap->module; |
228 | 240 | ||
229 | list_add_tail (&dvbdev->list_head, &adap->device_list); | 241 | list_add_tail (&dvbdev->list_head, &adap->device_list); |
@@ -251,6 +263,7 @@ void dvb_unregister_device(struct dvb_device *dvbdev) | |||
251 | dvbdev->type, dvbdev->id))); | 263 | dvbdev->type, dvbdev->id))); |
252 | 264 | ||
253 | list_del (&dvbdev->list_head); | 265 | list_del (&dvbdev->list_head); |
266 | kfree (dvbdev->fops); | ||
254 | kfree (dvbdev); | 267 | kfree (dvbdev); |
255 | } | 268 | } |
256 | EXPORT_SYMBOL(dvb_unregister_device); | 269 | EXPORT_SYMBOL(dvb_unregister_device); |