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author | Alexey Dobriyan <adobriyan@gmail.com> | 2010-02-10 15:03:27 +0100 |
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committer | Patrick McHardy <kaber@trash.net> | 2010-02-10 15:03:27 +0100 |
commit | 42107f5009da223daa800d6da6904d77297ae829 (patch) | |
tree | 2e7490aa84a59e1e3f8753ce18c9faaa50ac6e32 /include/linux/netfilter | |
parent | 0a02604628c49037e1de2091d75462fd856b26ed (diff) | |
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netfilter: xtables: symmetric COMPAT_XT_ALIGN definition
Rewrite COMPAT_XT_ALIGN in terms of dummy structure hack.
Compat counters logically have nothing to do with it.
Use ALIGN() macro while I'm at it for same types.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include/linux/netfilter')
-rw-r--r-- | include/linux/netfilter/x_tables.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index 8b6c0e7..9d671eb 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -93,8 +93,7 @@ struct _xt_align { __u64 u64; }; -#define XT_ALIGN(s) (((s) + (__alignof__(struct _xt_align)-1)) \ - & ~(__alignof__(struct _xt_align)-1)) +#define XT_ALIGN(s) ALIGN((s), __alignof__(struct _xt_align)) /* Standard return verdict, or do jump. */ #define XT_STANDARD_TARGET "" @@ -571,8 +570,14 @@ struct compat_xt_counters_info { struct compat_xt_counters counters[0]; }; -#define COMPAT_XT_ALIGN(s) (((s) + (__alignof__(struct compat_xt_counters)-1)) \ - & ~(__alignof__(struct compat_xt_counters)-1)) +struct _compat_xt_align { + __u8 u8; + __u16 u16; + __u32 u32; + compat_u64 u64; +}; + +#define COMPAT_XT_ALIGN(s) ALIGN((s), __alignof__(struct _compat_xt_align)) extern void xt_compat_lock(u_int8_t af); extern void xt_compat_unlock(u_int8_t af); |