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authorArnd Bergmann <arnd@arndb.de>2021-07-27 16:45:04 +0300
committerDavid S. Miller <davem@davemloft.net>2021-07-27 22:11:44 +0300
commit25ec92fbdd23a0a2bfd2bdf489e60ea4f0ae46d1 (patch)
tree130cde3a333f69e84e512fa96ac9377954ea91e8 /drivers/net/hamradio/baycom_epp.c
parentebb4a911e09a7c602cc9709c5c785527f63a8871 (diff)
downloadlinux-25ec92fbdd23a0a2bfd2bdf489e60ea4f0ae46d1.tar.xz
hamradio: use ndo_siocdevprivate
hamradio uses a set of private ioctls that do seem to work correctly in compat mode, as they only rely on the ifr_data pointer. Move them over to the ndo_siocdevprivate callback as a cleanup. Cc: Thomas Sailer <t.sailer@alumni.ethz.ch> Cc: Joerg Reuter <jreuter@yaina.de> Cc: Jean-Paul Roubelat <jpr@f6fbb.org> Cc: linux-hams@vger.kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hamradio/baycom_epp.c')
-rw-r--r--drivers/net/hamradio/baycom_epp.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index 4435a1195194..775dcf4ebde5 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -1005,7 +1005,8 @@ static int baycom_setmode(struct baycom_state *bc, const char *modestr)
/* --------------------------------------------------------------------- */
-static int baycom_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+static int baycom_siocdevprivate(struct net_device *dev, struct ifreq *ifr,
+ void __user *data, int cmd)
{
struct baycom_state *bc = netdev_priv(dev);
struct hdlcdrv_ioctl hi;
@@ -1013,7 +1014,7 @@ static int baycom_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
if (cmd != SIOCDEVPRIVATE)
return -ENOIOCTLCMD;
- if (copy_from_user(&hi, ifr->ifr_data, sizeof(hi)))
+ if (copy_from_user(&hi, data, sizeof(hi)))
return -EFAULT;
switch (hi.cmd) {
default:
@@ -1104,7 +1105,7 @@ static int baycom_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
return HDLCDRV_PARMASK_IOBASE;
}
- if (copy_to_user(ifr->ifr_data, &hi, sizeof(hi)))
+ if (copy_to_user(data, &hi, sizeof(hi)))
return -EFAULT;
return 0;
}
@@ -1114,7 +1115,7 @@ static int baycom_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
static const struct net_device_ops baycom_netdev_ops = {
.ndo_open = epp_open,
.ndo_stop = epp_close,
- .ndo_do_ioctl = baycom_ioctl,
+ .ndo_siocdevprivate = baycom_siocdevprivate,
.ndo_start_xmit = baycom_send_packet,
.ndo_set_mac_address = baycom_set_mac_address,
};