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[NET]: Treat the sign of the result of skb_headroom() consistently

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In some places, the result of skb_headroom() is compared to an unsigned
integer, and in others, the result is compared to a signed integer.  Make
the comparisons consistent and correct.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chuck Lever 2007-10-23 21:07:32 -07:00 • committed by David S. Miller
parent 0ffdd58149
commit c2636b4d9e
9 changed files with 10 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

2
net/ipv4/ip_gre.c
View file

@ -674,7 +674,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
struct rtable *rt; /* Route to the other host */
struct net_device *tdev; /* Device to other host */
struct iphdr *iph; /* Our new IP header */
int max_headroom; /* The extra header space needed */
unsigned int max_headroom; /* The extra header space needed */
int gre_hlen;
__be32 dst;
int mtu;

2
net/ipv4/ip_output.c
View file

@ -161,7 +161,7 @@ static inline int ip_finish_output2(struct sk_buff *skb)
struct dst_entry *dst = skb->dst;
struct rtable *rt = (struct rtable *)dst;
struct net_device *dev = dst->dev;
int hh_len = LL_RESERVED_SPACE(dev);
unsigned int hh_len = LL_RESERVED_SPACE(dev);
if (rt->rt_type == RTN_MULTICAST)
IP_INC_STATS(IPSTATS_MIB_OUTMCASTPKTS);

2
net/ipv4/ipip.c
View file

@ -515,7 +515,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
struct net_device *tdev; /* Device to other host */
struct iphdr *old_iph = ip_hdr(skb);
struct iphdr *iph; /* Our new IP header */
int max_headroom; /* The extra header space needed */
unsigned int max_headroom; /* The extra header space needed */
__be32 dst = tiph->daddr;
int mtu;

2
net/ipv4/ipvs/ip_vs_xmit.c
View file

@ -325,7 +325,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
__be16 df = old_iph->frag_off;
sk_buff_data_t old_transport_header = skb->transport_header;
struct iphdr *iph; /* Our new IP header */
int max_headroom; /* The extra header space needed */
unsigned int max_headroom; /* The extra header space needed */
int mtu;
EnterFunction(10);

2
net/ipv4/tcp_input.c
View file

@ -3909,7 +3909,7 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
while (before(start, end)) {
struct sk_buff *nskb;
int header = skb_headroom(skb);
unsigned int header = skb_headroom(skb);
int copy = SKB_MAX_ORDER(header, 0);
/* Too big header? This can happen with IPv6. */