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neigh: make strucrt neigh_table::entry_size unsigned int

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Key length can't be negative.

Leave comparisons against nla_len() signed just in case truncated attribute
can sneak in there.

Space savings:

	add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-7 (-7)
	function                                     old     new   delta
	pneigh_delete                                273     272      -1
	mlx5e_rep_netevent_event                    1415    1414      -1
	mlx5e_create_encap_header_ipv6              1194    1193      -1
	mlx5e_create_encap_header_ipv4              1071    1070      -1
	cxgb4_l2t_get                               1104    1103      -1
	__pneigh_lookup                               69      68      -1
	__neigh_create                              2452    2451      -1

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2017-09-23 23:03:04 +03:00 • committed by David S. Miller
parent e451ae8e4f
commit 01ccdf126c
3 changed files with 12 additions and 12 deletions
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2
include/net/neighbour.h
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@ -191,7 +191,7 @@ struct neigh_hash_table {
struct neigh_table {
int family;
unsigned int entry_size;
int key_len;
unsigned int key_len;
__be16 protocol;
__u32 (*hash)(const void *pkey,
const struct net_device *dev,