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[NET]: Add a dev_ioctl() fallback to sock_ioctl()

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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>
This commit is contained in:
Christoph Hellwig
2006-01-03 14:18:33 -08:00
committed by David S. Miller
parent 5ff7630e4a
commit b5e5fa5e09
17 changed files with 27 additions and 40 deletions
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19
net/appletalk/ddp.c
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@@ -1763,7 +1763,7 @@ static int atalk_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
*/
static int atalk_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
int rc = -EINVAL;
int rc = -ENOIOCTLCMD;
struct sock *sk = sock->sk;
void __user *argp = (void __user *)arg;
@@ -1813,23 +1813,6 @@ static int atalk_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
rc = atif_ioctl(cmd, argp);
rtnl_unlock();
break;
/* Physical layer ioctl calls */
case SIOCSIFLINK:
case SIOCGIFHWADDR:
case SIOCSIFHWADDR:
case SIOCGIFFLAGS:
case SIOCSIFFLAGS:
case SIOCGIFTXQLEN:
case SIOCSIFTXQLEN:
case SIOCGIFMTU:
case SIOCGIFCONF:
case SIOCADDMULTI:
case SIOCDELMULTI:
case SIOCGIFCOUNT:
case SIOCGIFINDEX:
case SIOCGIFNAME:
rc = dev_ioctl(cmd, argp);
break;
}
return rc;