Hi

On Mittwoch, 3. September 2008, Greg KH wrote:
quoted text
> 2.6.26-stable review patch.  If anyone has any objections, please let us know.
> 
> ------------------
> 
> From: David S. Miller <davem@davemloft.net>
> 
> [ Upstream commit 7c19a3d280297d43ef5ff7c6b205dc208a16d3d1 ]
> 
> This essentially reverts two commits:
> 
> 1) 2e8046271f68198dd37451017c1a4a2432e4ec68 ("[IPV4] MROUTE: Move PIM
>    definitions to <linux/pim.h>.")
> 
> and
> 
> 2) 80a9492a33dd7d852465625022d56ff76d62174d ("[IPV4] MROUTE: Adjust
>    include files for user-space.")
> 
> which broke userpsace, in particular the XORP build as reported by
> Jose Calhariz, the debain package maintainer for XORP.
> 
> Nothing originally in linux/mroute.h was exported to userspace
> ever, but some of this stuff started to be when it was moved into
> this new linux/pim.h, and that was wrong.  If we didn't provide these
> definitions for 10 years we can reasonable expect that applications
> defined this stuff locally or used GLIBC headers providing the
> protocol definitions.  And as such the only result of this can
> be conflict and userland build breakage.
> 
> The commit #1 had such a short and terse commit message, that we
> cannot even know why such a move and set of new userland exports were
> even made.
> 
> Signed-off-by: David S. Miller <davem@davemloft.net>
> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
> 
> ---
>  include/linux/Kbuild   |    1 -
>  include/linux/mroute.h |   25 +++++++++++++++++++++----
>  include/linux/pim.h    |   45 ---------------------------------------------
>  3 files changed, 21 insertions(+), 50 deletions(-)

This patch is missing to remove the include for linux/pim.h in 
net/ipv6/ip6mr.c, leading to the following build failure:

  CC [M]  net/ipv6/ip6mr.o
net/ipv6/ip6mr.c:48:23: error: linux/pim.h: Datei oder Verzeichnis nicht gefunden
net/ipv6/ip6mr.c: In function ‘pim6_rcv’:
net/ipv6/ip6mr.c:354: error: dereferencing pointer to incomplete type
net/ipv6/ip6mr.c:358: error: dereferencing pointer to incomplete type
net/ipv6/ip6mr.c:358: error: ‘PIM_VERSION’ undeclared (first use in this function)
net/ipv6/ip6mr.c:358: error: (Each undeclared identifier is reported only once
net/ipv6/ip6mr.c:358: error: for each function it appears in.)
net/ipv6/ip6mr.c:358: error: ‘PIM_REGISTER’ undeclared (first use in this function)
net/ipv6/ip6mr.c:359: error: dereferencing pointer to incomplete type
net/ipv6/ip6mr.c:359: error: ‘PIM_NULL_REGISTER’ undeclared (first use in this function)
net/ipv6/ip6mr.c:360: error: dereferencing pointer to incomplete type
net/ipv6/ip6mr.c:366: error: dereferencing pointer to incomplete type
net/ipv6/ip6mr.c:370: error: dereferencing pointer to incomplete type
make[2]: *** [net/ipv6/ip6mr.o] Fehler 1
make[1]: *** [net/ipv6] Fehler 2
make: *** [net] Fehler 2

Regards
	Stefan Lippers-Hollmann
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