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authorChristoph Hellwig <hch@lst.de>2006-01-03 14:18:33 -0800
committerDavid S. Miller <davem@davemloft.net>2006-01-03 14:18:33 -0800
commitb5e5fa5e093e42cab4ee3d6dcbc4f450ad29a723 (patch)
tree7a87804b0953f22de43054ccc7ae67ebc5b66b20 /net/ipv6/af_inet6.c
parent5ff7630e4aa6c3969094dc30ff1cdaa6f52b0ed0 (diff)
downloadop-kernel-dev-b5e5fa5e093e42cab4ee3d6dcbc4f450ad29a723.zip
op-kernel-dev-b5e5fa5e093e42cab4ee3d6dcbc4f450ad29a723.tar.gz
[NET]: Add a dev_ioctl() fallback to sock_ioctl()
Currently all network protocols need to call dev_ioctl as the default fallback in their ioctl implementations. This patch adds a fallback to dev_ioctl to sock_ioctl if the protocol returned -ENOIOCTLCMD. This way all the procotol ioctl handlers can be simplified and we don't need to export dev_ioctl. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/af_inet6.c')
-rw-r--r--net/ipv6/af_inet6.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 7c9f192..68afc53 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -434,7 +434,6 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
- int err = -EINVAL;
switch(cmd)
{
@@ -453,10 +452,9 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
case SIOCSIFDSTADDR:
return addrconf_set_dstaddr((void __user *) arg);
default:
- if (!sk->sk_prot->ioctl ||
- (err = sk->sk_prot->ioctl(sk, cmd, arg)) == -ENOIOCTLCMD)
- return(dev_ioctl(cmd,(void __user *) arg));
- return err;
+ if (!sk->sk_prot->ioctl)
+ return -ENOIOCTLCMD;
+ return sk->sk_prot->ioctl(sk, cmd, arg);
}
/*NOTREACHED*/
return(0);
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