78 static ssize_t media_read(struct file *filp, char __user *buf,  in media_read()  argument
81 	struct media_devnode *devnode = media_devnode_data(filp);  in media_read()
87 	return devnode->fops->read(filp, buf, sz, off);  in media_read()
90 static ssize_t media_write(struct file *filp, const char __user *buf,  in media_write()  argument
93 	struct media_devnode *devnode = media_devnode_data(filp);  in media_write()
99 	return devnode->fops->write(filp, buf, sz, off);  in media_write()
102 static __poll_t media_poll(struct file *filp,  in media_poll()  argument
105 	struct media_devnode *devnode = media_devnode_data(filp);  in media_poll()
111 	return devnode->fops->poll(filp, poll);  in media_poll()
115 __media_ioctl(struct file *filp, unsigned int cmd, unsigned long arg,  in __media_ioctl()  argument
116 	      long (*ioctl_func)(struct file *filp, unsigned int cmd,  in __media_ioctl()  argument
119 	struct media_devnode *devnode = media_devnode_data(filp);  in __media_ioctl()
127 	return ioctl_func(filp, cmd, arg);  in __media_ioctl()
130 static long media_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)  in media_ioctl()  argument
132 	struct media_devnode *devnode = media_devnode_data(filp);  in media_ioctl()
134 	return __media_ioctl(filp, cmd, arg, devnode->fops->ioctl);  in media_ioctl()
139 static long media_compat_ioctl(struct file *filp, unsigned int cmd,  in media_compat_ioctl()  argument
142 	struct media_devnode *devnode = media_devnode_data(filp);  in media_compat_ioctl()
144 	return __media_ioctl(filp, cmd, arg, devnode->fops->compat_ioctl);  in media_compat_ioctl()
150 static int media_open(struct inode *inode, struct file *filp)  in media_open()  argument
173 	filp->private_data = devnode;  in media_open()
176 		ret = devnode->fops->open(filp);  in media_open()
179 			filp->private_data = NULL;  in media_open()
188 static int media_release(struct inode *inode, struct file *filp)  in media_release()  argument
190 	struct media_devnode *devnode = media_devnode_data(filp);  in media_release()
193 		devnode->fops->release(filp);  in media_release()
195 	filp->private_data = NULL;  in media_release()