[NET]: Fix sparse warnings

From: Victor Fusco <victor@cetuc.puc-rio.br>

Fix the sparse warning "implicit cast to nocast type"

Signed-off-by: Victor Fusco <victor@cetuc.puc-rio.br>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 14b9504..5d4a990 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -300,20 +300,26 @@
 #include <asm/system.h>
 
 extern void	       __kfree_skb(struct sk_buff *skb);
-extern struct sk_buff *alloc_skb(unsigned int size, int priority);
+extern struct sk_buff *alloc_skb(unsigned int size,
+				 unsigned int __nocast priority);
 extern struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp,
-					    unsigned int size, int priority);
+					    unsigned int size,
+					    unsigned int __nocast priority);
 extern void	       kfree_skbmem(struct sk_buff *skb);
-extern struct sk_buff *skb_clone(struct sk_buff *skb, int priority);
-extern struct sk_buff *skb_copy(const struct sk_buff *skb, int priority);
-extern struct sk_buff *pskb_copy(struct sk_buff *skb, int gfp_mask);
+extern struct sk_buff *skb_clone(struct sk_buff *skb,
+				 unsigned int __nocast priority);
+extern struct sk_buff *skb_copy(const struct sk_buff *skb,
+				unsigned int __nocast priority);
+extern struct sk_buff *pskb_copy(struct sk_buff *skb,
+				 unsigned int __nocast gfp_mask);
 extern int	       pskb_expand_head(struct sk_buff *skb,
-					int nhead, int ntail, int gfp_mask);
+					int nhead, int ntail,
+					unsigned int __nocast gfp_mask);
 extern struct sk_buff *skb_realloc_headroom(struct sk_buff *skb,
 					    unsigned int headroom);
 extern struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
 				       int newheadroom, int newtailroom,
-				       int priority);
+				       unsigned int __nocast priority);
 extern struct sk_buff *		skb_pad(struct sk_buff *skb, int pad);
 #define dev_kfree_skb(a)	kfree_skb(a)
 extern void	      skb_over_panic(struct sk_buff *skb, int len,
@@ -464,7 +470,8 @@
  *
  *	NULL is returned on a memory allocation failure.
  */
-static inline struct sk_buff *skb_share_check(struct sk_buff *skb, int pri)
+static inline struct sk_buff *skb_share_check(struct sk_buff *skb,
+					      unsigned int __nocast pri)
 {
 	might_sleep_if(pri & __GFP_WAIT);
 	if (skb_shared(skb)) {
@@ -1001,7 +1008,7 @@
  *	%NULL is returned in there is no free memory.
  */
 static inline struct sk_buff *__dev_alloc_skb(unsigned int length,
-					      int gfp_mask)
+					      unsigned int __nocast gfp_mask)
 {
 	struct sk_buff *skb = alloc_skb(length + 16, gfp_mask);
 	if (likely(skb))
@@ -1114,8 +1121,8 @@
  *	If there is no free memory -ENOMEM is returned, otherwise zero
  *	is returned and the old skb data released.
  */
-extern int __skb_linearize(struct sk_buff *skb, int gfp);
-static inline int skb_linearize(struct sk_buff *skb, int gfp)
+extern int __skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp);
+static inline int skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp)
 {
 	return __skb_linearize(skb, gfp);
 }