[SRU] Revert "net: Fix skb csum races when peeking"

[Luis Henriques]

BugLink: https://bugs.launchpad.net/bugs/1508510

Following this email, I'm sending patches that revert upstream commit

commit 89c22d8c3b278212eef6a8cc66b570bc840a6f5a
Author: Herbert Xu <herbert at gondor.apana.org.au>
Date:   Mon Jul 13 20:01:42 2015 +0800

    net: Fix skb csum races when peeking

This has caused a regression in all stable kernels < 3.19.  For now, we
are reverting this patch, but it should probably be applied again in the
future with a fix, currently being discussed here:

http://thread.gmane.org/gmane.linux.kernel.stable/153526

Luis Henriques (1):
  Revert "net: Fix skb csum races when peeking"

 net/core/datagram.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)