[I/OAT]: net/core/user_dma.c should #include <net/netdma.h>

Every file should #include the headers containing the prototypes for
its global functions.

Especially in cases like this one where gcc can tell us through a
compile error that the prototype was wrong...
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/netdma.h

@@ -37,7 +37,7 @@ static inline struct dma_chan *get_softnet_dma(void)
 }
 
 int dma_skb_copy_datagram_iovec(struct dma_chan* chan,
-		const struct sk_buff *skb, int offset, struct iovec *to,
+		struct sk_buff *skb, int offset, struct iovec *to,
 		size_t len, struct dma_pinned_list *pinned_list);
 
 #endif /* CONFIG_NET_DMA */

net/core/user_dma.c

@@ -29,6 +29,7 @@
 #include <linux/socket.h>
 #include <linux/rtnetlink.h> /* for BUG_TRAP */
 #include <net/tcp.h>
+#include <net/netdma.h>
 
 #define NET_DMA_DEFAULT_COPYBREAK 4096