[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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 70fb2b88da65..4fc245243cca 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -687,7 +687,7 @@ static int econet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg
                         break;
 
                 default:
-                        return dev_ioctl(cmd, argp);
+                        return -ENOIOCTLCMD;
         }
         /*NOTREACHED*/
         return 0;