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[RFC,net-next,26/28] sb1000: use ndo_siocdevprivate

Message ID 20201106221743.3271965-27-arnd@kernel.org (mailing list archive)
State RFC
Delegated to: Johannes Berg
Headers show
Series ndo_ioctl rework | expand

Commit Message

Arnd Bergmann Nov. 6, 2020, 10:17 p.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>

The private sb1000 ioctl commands all work correctly in
compat mode. Change the to ndo_siocdevprivate as a cleanup.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/net/sb1000.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)
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Patch

diff --git a/drivers/net/sb1000.c b/drivers/net/sb1000.c
index e88af978f63c..9b14087be900 100644
--- a/drivers/net/sb1000.c
+++ b/drivers/net/sb1000.c
@@ -78,7 +78,8 @@  struct sb1000_private {
 /* prototypes for Linux interface */
 extern int sb1000_probe(struct net_device *dev);
 static int sb1000_open(struct net_device *dev);
-static int sb1000_dev_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd);
+static int sb1000_siocdevprivate(struct net_device *dev, struct ifreq *ifr,
+				 void __user *data, int cmd);
 static netdev_tx_t sb1000_start_xmit(struct sk_buff *skb,
 				     struct net_device *dev);
 static irqreturn_t sb1000_interrupt(int irq, void *dev_id);
@@ -135,7 +136,7 @@  MODULE_DEVICE_TABLE(pnp, sb1000_pnp_ids);
 static const struct net_device_ops sb1000_netdev_ops = {
 	.ndo_open		= sb1000_open,
 	.ndo_start_xmit		= sb1000_start_xmit,
-	.ndo_do_ioctl		= sb1000_dev_ioctl,
+	.ndo_siocdevprivate	= sb1000_siocdevprivate,
 	.ndo_stop		= sb1000_close,
 	.ndo_set_mac_address 	= eth_mac_addr,
 	.ndo_validate_addr	= eth_validate_addr,
@@ -987,7 +988,8 @@  sb1000_open(struct net_device *dev)
 	return 0;					/* Always succeed */
 }
 
-static int sb1000_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+static int sb1000_siocdevprivate(struct net_device *dev, struct ifreq *ifr,
+				 void __user *data, int cmd)
 {
 	char* name;
 	unsigned char version[2];
@@ -1011,7 +1013,7 @@  static int sb1000_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 		stats[2] = dev->stats.rx_packets;
 		stats[3] = dev->stats.rx_errors;
 		stats[4] = dev->stats.rx_dropped;
-		if(copy_to_user(ifr->ifr_data, stats, sizeof(stats)))
+		if(copy_to_user(data, stats, sizeof(stats)))
 			return -EFAULT;
 		status = 0;
 		break;
@@ -1019,21 +1021,21 @@  static int sb1000_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	case SIOCGCMFIRMWARE:		/* get firmware version */
 		if ((status = sb1000_get_firmware_version(ioaddr, name, version, 1)))
 			return status;
-		if(copy_to_user(ifr->ifr_data, version, sizeof(version)))
+		if(copy_to_user(data, version, sizeof(version)))
 			return -EFAULT;
 		break;
 
 	case SIOCGCMFREQUENCY:		/* get frequency */
 		if ((status = sb1000_get_frequency(ioaddr, name, &frequency)))
 			return status;
-		if(put_user(frequency, (int __user *) ifr->ifr_data))
+		if(put_user(frequency, (int __user *) data))
 			return -EFAULT;
 		break;
 
 	case SIOCSCMFREQUENCY:		/* set frequency */
 		if (!capable(CAP_NET_ADMIN))
 			return -EPERM;
-		if(get_user(frequency, (int __user *) ifr->ifr_data))
+		if(get_user(frequency, (int __user *) data))
 			return -EFAULT;
 		if ((status = sb1000_set_frequency(ioaddr, name, frequency)))
 			return status;
@@ -1042,14 +1044,14 @@  static int sb1000_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	case SIOCGCMPIDS:			/* get PIDs */
 		if ((status = sb1000_get_PIDs(ioaddr, name, PID)))
 			return status;
-		if(copy_to_user(ifr->ifr_data, PID, sizeof(PID)))
+		if(copy_to_user(data, PID, sizeof(PID)))
 			return -EFAULT;
 		break;
 
 	case SIOCSCMPIDS:			/* set PIDs */
 		if (!capable(CAP_NET_ADMIN))
 			return -EPERM;
-		if(copy_from_user(PID, ifr->ifr_data, sizeof(PID)))
+		if(copy_from_user(PID, data, sizeof(PID)))
 			return -EFAULT;
 		if ((status = sb1000_set_PIDs(ioaddr, name, PID)))
 			return status;