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authorDmitry Eremin-Solenikov <dbaryshkov@gmail.com>2009-08-02 14:12:01 +0400
committerDmitry Eremin-Solenikov <dbaryshkov@gmail.com>2009-08-06 12:49:17 +0400
commit45a41d147a3a31bb218201b0dd70cfe4e9ed5105 (patch)
tree3a5938a4c8bb04b5bbe2a80a41356e8008a7503f /net
parent0bf52b981770cbf006323bab5177f2858a196766 (diff)
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>
Diffstat (limited to 'net')
-rw-r--r--net/ieee802154/af_ieee802154.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index 3bb6bdb1dac..af661805b9f 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -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)))