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[XFRM]: alg_key_len should be unsigned to avoid integer divides
author
Eric Dumazet
<dada1@cosmosbay.com>
Sun, 13 Jan 2008 05:30:23 +0000
(21:30 -0800)
committer
David S. Miller
<davem@davemloft.net>
Mon, 28 Jan 2008 23:02:00 +0000
(15:02 -0800)
alg_key_len is currently defined as 'signed int'. This unfortunatly
leads to integer divides in several paths.
Converting it to unsigned is safe and saves 208 bytes of text on i386.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/xfrm.h
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diff --git
a/include/linux/xfrm.h
b/include/linux/xfrm.h
index
1131eab
..
f8507ee
100644
(file)
--- a/
include/linux/xfrm.h
+++ b/
include/linux/xfrm.h
@@
-92,7
+92,7
@@
struct xfrm_replay_state
struct xfrm_algo {
char alg_name[64];
-
int
alg_key_len; /* in bits */
+
unsigned int
alg_key_len; /* in bits */
char alg_key[0];
};