net: num_dma_maps is not used
Get rid of num_dma_maps in struct skb_shared_info, as it seems unused.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 7305da9..74850581 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -194,9 +194,6 @@
unsigned short gso_type;
__be32 ip6_frag_id;
union skb_shared_tx tx_flags;
-#ifdef CONFIG_HAS_DMA
- unsigned int num_dma_maps;
-#endif
struct sk_buff *frag_list;
struct skb_shared_hwtstamps hwtstamps;
skb_frag_t frags[MAX_SKB_FRAGS];
diff --git a/net/core/skb_dma_map.c b/net/core/skb_dma_map.c
index 8623492..7adb623 100644
--- a/net/core/skb_dma_map.c
+++ b/net/core/skb_dma_map.c
@@ -30,7 +30,6 @@
goto unwind;
sp->dma_maps[i + 1] = map;
}
- sp->num_dma_maps = i + 1;
return 0;