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af_ieee802154: fix ioctl processing 

fix two errors in ioctl processing:
1) if the ioctl isn't supported one should return -ENOIOCTLCMD
2) don't call ndo_do_ioctl if the device doesn't provide it

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
This commit is contained in:
Dmitry Eremin-Solenikov 2009-08-02 14:12:01 +04:00
parent 0bf52b9817
commit 45a41d147a
1 changed files with 5 additions and 3 deletions
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8
net/ieee802154/af_ieee802154.c
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@ -136,7 +136,7 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
unsigned int cmd)
{
struct ifreq ifr;
int ret = -EINVAL;
int ret = -ENOIOCTLCMD;
struct net_device *dev;
if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
@ -146,8 +146,10 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
dev_load(sock_net(sk), ifr.ifr_name);
dev = dev_get_by_name(sock_net(sk), ifr.ifr_name);
if (dev->type == ARPHRD_IEEE802154 ||
dev->type == ARPHRD_IEEE802154_PHY)
if ((dev->type == ARPHRD_IEEE802154 ||
dev->type == ARPHRD_IEEE802154_PHY) &&
dev->netdev_ops->ndo_do_ioctl)
ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, cmd);
if (!ret && copy_to_user(arg, &ifr, sizeof(struct ifreq)))