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

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 2320cc27ff9e..5383b33db8ca 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -838,7 +838,7 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
         struct dst_entry *dst;
         struct net_device *tdev;
         int mtu;
-        int max_headroom = sizeof(struct ipv6hdr);
+        unsigned int max_headroom = sizeof(struct ipv6hdr);
         u8 proto;
         int err = -1;
         int pkt_len;