[PATCH net v2 3/3] gtp: fix cross netns recv on gtp socket

[David Miller]

From: Andreas Schultz <aschultz at tpip.net>
Date: Thu, 26 Jan 2017 16:11:34 +0100

> The use of the passed through netlink src_net to check for a
> cross netns operation was wrong. Using the GTP socket and the
> GTP netdevice is always correct (even if the netdev has been
> moved to new netns after link creation).
> 
> Remove the now obsolete net field from gtp_dev.
> 
> Signed-off-by: Andreas Schultz <aschultz at tpip.net>

Please at least compile test your submissions:

drivers/net/gtp.c: In function ‘gtp_newlink’:
drivers/net/gtp.c:677:8: error: too many arguments to function ‘gtp_encap_enable’
  err = gtp_encap_enable(dev, gtp, fd0, fd1, src_net);
        ^
drivers/net/gtp.c:659:12: note: declared here
 static int gtp_encap_enable(struct net_device *dev, struct gtp_dev *gtp,
            ^
drivers/net/gtp.c: At top level:
drivers/net/gtp.c:822:12: error: conflicting types for ‘gtp_encap_enable’
 static int gtp_encap_enable(struct net_device *dev, struct gtp_dev *gtp,
            ^
drivers/net/gtp.c:659:12: note: previous declaration of ‘gtp_encap_enable’ was here
 static int gtp_encap_enable(struct net_device *dev, struct gtp_dev *gtp,
            ^
drivers/net/gtp.c:659:12: warning: ‘gtp_encap_enable’ used but never defined
drivers/net/gtp.c:822:12: warning: ‘gtp_encap_enable’ defined but not used [-Wunused-function]
 static int gtp_encap_enable(struct net_device *dev, struct gtp_dev *gtp,
            ^
scripts/Makefile.build:299: recipe for target 'drivers/net/gtp.o' failed