--- zzzz-none-000/linux-3.10.107/drivers/media/pci/ddbridge/ddbridge-core.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/pci/ddbridge/ddbridge-core.c	2021-02-04 17:41:59.000000000 +0000
@@ -149,7 +149,7 @@
 	return I2C_FUNC_SMBUS_EMUL;
 }
 
-struct i2c_algorithm ddb_i2c_algo = {
+static struct i2c_algorithm ddb_i2c_algo = {
 	.master_xfer   = ddb_i2c_master_xfer,
 	.functionality = ddb_i2c_functionality,
 };
@@ -266,7 +266,7 @@
 	for (i = 0; i < num; i++) {
 		if (vbuf[i]) {
 			pci_free_consistent(pdev, size, vbuf[i], pbuf[i]);
-			vbuf[i] = 0;
+			vbuf[i] = NULL;
 		}
 	}
 }
@@ -440,7 +440,7 @@
 }
 
 static ssize_t ddb_output_write(struct ddb_output *output,
-				const u8 *buf, size_t count)
+				const __user u8 *buf, size_t count)
 {
 	struct ddb *dev = output->port->dev;
 	u32 idx, off, stat = output->stat;
@@ -506,7 +506,7 @@
 	return 0;
 }
 
-static ssize_t ddb_input_read(struct ddb_input *input, u8 *buf, size_t count)
+static ssize_t ddb_input_read(struct ddb_input *input, __user u8 *buf, size_t count)
 {
 	struct ddb *dev = input->port->dev;
 	u32 left = count;
@@ -849,7 +849,7 @@
 		return ret;
 	input->attached = 4;
 
-	input->fe = 0;
+	input->fe = NULL;
 	switch (port->type) {
 	case DDB_TUNER_DVBS_ST:
 		if (demod_attach_stv0900(input, 0) < 0)
@@ -876,10 +876,8 @@
 			return -ENODEV;
 		if (tuner_attach_tda18271(input) < 0)
 			return -ENODEV;
-		if (input->fe) {
-			if (dvb_register_frontend(adap, input->fe) < 0)
-				return -ENODEV;
-		}
+		if (dvb_register_frontend(adap, input->fe) < 0)
+			return -ENODEV;
 		if (input->fe2) {
 			if (dvb_register_frontend(adap, input->fe2) < 0)
 				return -ENODEV;
@@ -897,7 +895,7 @@
 /****************************************************************************/
 /****************************************************************************/
 
-static ssize_t ts_write(struct file *file, const char *buf,
+static ssize_t ts_write(struct file *file, const __user char *buf,
 			size_t count, loff_t *ppos)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -922,7 +920,7 @@
 	return (left == count) ? -EAGAIN : (count - left);
 }
 
-static ssize_t ts_read(struct file *file, char *buf,
+static ssize_t ts_read(struct file *file, __user char *buf,
 		       size_t count, loff_t *ppos)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -977,11 +975,9 @@
 	.open    = dvb_generic_open,
 	.release = dvb_generic_release,
 	.poll    = ts_poll,
-	.mmap    = 0,
 };
 
 static struct dvb_device dvbdev_ci = {
-	.priv    = 0,
 	.readers = -1,
 	.writers = -1,
 	.users   = -1,
@@ -1040,7 +1036,7 @@
 }
 
 
-struct cxd2099_cfg cxd_cfg = {
+static struct cxd2099_cfg cxd_cfg = {
 	.bitrate =  62000,
 	.adr     =  0x40,
 	.polarity = 1,
@@ -1122,14 +1118,13 @@
 			dvb_input_detach(port->input[1]);
 			break;
 		case DDB_PORT_CI:
-			if (port->output->dev)
-				dvb_unregister_device(port->output->dev);
+			dvb_unregister_device(port->output->dev);
 			if (port->en) {
 				ddb_input_stop(port->input[0]);
 				ddb_output_stop(port->output);
 				dvb_ca_en50221_release(port->en);
 				kfree(port->en);
-				port->en = 0;
+				port->en = NULL;
 				dvb_unregister_adapter(&port->output->adap);
 			}
 			break;
@@ -1415,9 +1410,9 @@
 #define DDB_MAGIC 'd'
 
 struct ddb_flashio {
-	__u8 *write_buf;
+	__user __u8 *write_buf;
 	__u32 write_len;
-	__u8 *read_buf;
+	__user __u8 *read_buf;
 	__u32 read_len;
 };
 
@@ -1441,7 +1436,7 @@
 static long ddb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct ddb *dev = file->private_data;
-	void *parg = (void *)arg;
+	__user void *parg = (__user void *)arg;
 	int res;
 
 	switch (cmd) {
@@ -1544,7 +1539,7 @@
 
 static void ddb_remove(struct pci_dev *pdev)
 {
-	struct ddb *dev = (struct ddb *) pci_get_drvdata(pdev);
+	struct ddb *dev = pci_get_drvdata(pdev);
 
 	ddb_ports_detach(dev);
 	ddb_i2c_release(dev);
@@ -1560,7 +1555,7 @@
 	ddb_device_destroy(dev);
 
 	ddb_unmap(dev);
-	pci_set_drvdata(pdev, 0);
+	pci_set_drvdata(pdev, NULL);
 	pci_disable_device(pdev);
 }
 
@@ -1635,11 +1630,12 @@
 	printk(KERN_ERR "fail1\n");
 	if (dev->msi)
 		pci_disable_msi(dev->pdev);
-	free_irq(dev->pdev->irq, dev);
+	if (stat == 0)
+		free_irq(dev->pdev->irq, dev);
 fail:
 	printk(KERN_ERR "fail\n");
 	ddb_unmap(dev);
-	pci_set_drvdata(pdev, 0);
+	pci_set_drvdata(pdev, NULL);
 	pci_disable_device(pdev);
 	return -1;
 }
@@ -1665,11 +1661,40 @@
 	.port_num = 2,
 };
 
+static struct ddb_info ddb_octopus_mini = {
+	.type     = DDB_OCTOPUS,
+	.name     = "Digital Devices Octopus Mini",
+	.port_num = 4,
+};
+
 static struct ddb_info ddb_v6 = {
 	.type     = DDB_OCTOPUS,
 	.name     = "Digital Devices Cine S2 V6 DVB adapter",
 	.port_num = 3,
 };
+static struct ddb_info ddb_v6_5 = {
+	.type     = DDB_OCTOPUS,
+	.name     = "Digital Devices Cine S2 V6.5 DVB adapter",
+	.port_num = 4,
+};
+
+static struct ddb_info ddb_dvbct = {
+	.type     = DDB_OCTOPUS,
+	.name     = "Digital Devices DVBCT V6.1 DVB adapter",
+	.port_num = 3,
+};
+
+static struct ddb_info ddb_satixS2v3 = {
+	.type     = DDB_OCTOPUS,
+	.name     = "Mystique SaTiX-S2 V3 DVB adapter",
+	.port_num = 3,
+};
+
+static struct ddb_info ddb_octopusv3 = {
+	.type     = DDB_OCTOPUS,
+	.name     = "Digital Devices Octopus V3 DVB adapter",
+	.port_num = 4,
+};
 
 #define DDVID 0xdd01 /* Digital Devices Vendor ID */
 
@@ -1682,8 +1707,12 @@
 	DDB_ID(DDVID, 0x0002, DDVID, 0x0001, ddb_octopus),
 	DDB_ID(DDVID, 0x0003, DDVID, 0x0001, ddb_octopus),
 	DDB_ID(DDVID, 0x0003, DDVID, 0x0002, ddb_octopus_le),
-	DDB_ID(DDVID, 0x0003, DDVID, 0x0010, ddb_octopus),
+	DDB_ID(DDVID, 0x0003, DDVID, 0x0010, ddb_octopus_mini),
 	DDB_ID(DDVID, 0x0003, DDVID, 0x0020, ddb_v6),
+	DDB_ID(DDVID, 0x0003, DDVID, 0x0021, ddb_v6_5),
+	DDB_ID(DDVID, 0x0003, DDVID, 0x0030, ddb_dvbct),
+	DDB_ID(DDVID, 0x0003, DDVID, 0xdb03, ddb_satixS2v3),
+	DDB_ID(DDVID, 0x0005, DDVID, 0x0004, ddb_octopusv3),
 	/* in case sub-ids got deleted in flash */
 	DDB_ID(DDVID, 0x0003, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
 	{0}