From 6626af692692b52c8f9e20ad8201a3255e5ab25b Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Fri, 20 Mar 2015 18:18:45 -0400
Subject: [PATCH] rhashtable: Fix undeclared EEXIST build error on ia64

We need to include linux/errno.h in rhashtable.h since it doesn't
always get included otherwise.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed