[IPSEC]: Move linux/crypto.h inclusion out of net/xfrm.h

The header file linux/crypto.h is only needed by a few files so including
it in net/xfrm.h (which is included by half of the networking stack) is a
waste.  This patch moves it out of net/xfrm.h and into the specific header
files that actually need it.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

4 files changed, 7 insertions, 1 deletions

diff --git a/include/net/ah.h b/include/net/ah.h
index ceff00afae09..8e27c9ba8b84 100644
--- a/include/net/ah.h
+++ b/include/net/ah.h
@@ -1,6 +1,7 @@
 #ifndef _NET_AH_H
 #define _NET_AH_H
 
+#include <linux/crypto.h>
 #include <net/xfrm.h>
 
 /* This is the maximum truncated ICV length that we know of. */
diff --git a/include/net/esp.h b/include/net/esp.h
index 90cd94fad7d9..6eb837973c84 100644
--- a/include/net/esp.h
+++ b/include/net/esp.h
@@ -1,6 +1,7 @@
 #ifndef _NET_ESP_H
 #define _NET_ESP_H
 
+#include <linux/crypto.h>
 #include <net/xfrm.h>
 #include <asm/scatterlist.h>
 
diff --git a/include/net/ipcomp.h b/include/net/ipcomp.h
index e651a57ecdd5..b94e3047b4d9 100644
--- a/include/net/ipcomp.h
+++ b/include/net/ipcomp.h
@@ -1,8 +1,12 @@
 #ifndef _NET_IPCOMP_H
 #define _NET_IPCOMP_H
 
+#include <linux/types.h>
+
 #define IPCOMP_SCRATCH_SIZE     65400
 
+struct crypto_tfm;
+
 struct ipcomp_data {
         u16 threshold;
         struct crypto_tfm **tfms;
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 9c5ee9f20b65..10396b4bde14 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -8,7 +8,6 @@
 #include <linux/list.h>
 #include <linux/skbuff.h>
 #include <linux/socket.h>
-#include <linux/crypto.h>
 #include <linux/pfkeyv2.h>
 #include <linux/in6.h>
 #include <linux/mutex.h>
@@ -985,6 +984,7 @@ extern struct xfrm_algo_desc *xfrm_ealg_get_byname(char *name, int probe);
 extern struct xfrm_algo_desc *xfrm_calg_get_byname(char *name, int probe);
 
 struct crypto_tfm;
+struct scatterlist;
 typedef void (icv_update_fn_t)(struct crypto_tfm *, struct scatterlist *, unsigned int);
 
 extern void skb_icv_walk(const struct sk_buff *skb, struct crypto_tfm *tfm,