xfrm: use "unsigned int" in addr_match()
x86_64 is zero-extending arch so "unsigned int" is preferred over "int"
for address calculations and extending to size_t.
Space savings:
add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-24 (-24)
function old new delta
xfrm_state_walk 708 696 -12
xfrm_selector_match 918 906 -12
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 6e03a1a..43b93d1 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -816,12 +816,12 @@ static inline void xfrm_state_hold(struct xfrm_state *x)
}
static inline bool addr_match(const void *token1, const void *token2,
- int prefixlen)
+ unsigned int prefixlen)
{
const __be32 *a1 = token1;
const __be32 *a2 = token2;
- int pdw;
- int pbi;
+ unsigned int pdw;
+ unsigned int pbi;
pdw = prefixlen >> 5; /* num of whole u32 in prefix */
pbi = prefixlen & 0x1f; /* num of bits in incomplete u32 in prefix */
