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

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Message-Id: <20170126.142247.527598780818100974.davem@davemloft.net>
Date:   Thu, 26 Jan 2017 14:22:47 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     aschultz@...p.net
Cc:     pablo@...filter.org, netdev@...r.kernel.org,
        Lionel.Gauthier@...ecom.fr, openbsc@...ts.osmocom.org,
        laforge@...monks.org
Subject: Re: [PATCH net v2 3/3] gtp: fix cross netns recv on gtp socket

From: Andreas Schultz <aschultz@...p.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@...p.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