netdev - [PATCH] net: Fix build warnings after mac

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Date:	Tue, 28 May 2013 13:16:14 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	netdev@...r.kernel.org
Subject: [PATCH] net: Fix build warnings after mac_header and


net/core/skbuff.c: In function ‘__alloc_skb_head’:
net/core/skbuff.c:203:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]
net/core/skbuff.c: In function ‘__alloc_skb’:
net/core/skbuff.c:279:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]
net/core/skbuff.c:280:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]
net/core/skbuff.c: In function ‘build_skb’:
net/core/skbuff.c:348:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]
net/core/skbuff.c:349:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]

Signed-off-by: David S. Miller <davem@...emloft.net>
---
 net/core/skbuff.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index d629891..f45de07 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -200,7 +200,7 @@ struct sk_buff *__alloc_skb_head(gfp_t gfp_mask, int node)
 	atomic_set(&skb->users, 1);
 
 #ifdef NET_SKBUFF_DATA_USES_OFFSET
-	skb->mac_header = ~0U;
+	skb->mac_header = (__u16) ~0U;
 #endif
 out:
 	return skb;
@@ -276,8 +276,8 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 	skb_reset_tail_pointer(skb);
 	skb->end = skb->tail + size;
 #ifdef NET_SKBUFF_DATA_USES_OFFSET
-	skb->mac_header = ~0U;
-	skb->transport_header = ~0U;
+	skb->mac_header = (__u16) ~0U;
+	skb->transport_header = (__u16) ~0U;
 #endif
 
 	/* make sure we initialize shinfo sequentially */
@@ -345,8 +345,8 @@ struct sk_buff *build_skb(void *data, unsigned int frag_size)
 	skb_reset_tail_pointer(skb);
 	skb->end = skb->tail + size;
 #ifdef NET_SKBUFF_DATA_USES_OFFSET
-	skb->mac_header = ~0U;
-	skb->transport_header = ~0U;
+	skb->mac_header = (__u16) ~0U;
+	skb->transport_header = (__u16) ~0U;
 #endif
 
 	/* make sure we initialize shinfo sequentially */
-- 
1.7.11.7