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authorjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-08-13 16:04:40 +0000
committerjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-08-13 16:04:40 +0000
commit547bbf9b6ecdee816185820a4c43bc3be8ab6f7d (patch)
tree6e4b804084836e49aca016cb056e712ff25fbb3e /target/linux/generic
parent79af254839a4ca2c2940a2852fd93ac97f5fc1fe (diff)
[kernel] fixup 2.6.34 kernel headers to properly export XT_ALIGN() to userspace
Ref: http://lkml.org/lkml/2010/4/13/118 git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22621 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic')
-rw-r--r--target/linux/generic/patches-2.6.34/200-netfilter_xtables_align.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/generic/patches-2.6.34/200-netfilter_xtables_align.patch b/target/linux/generic/patches-2.6.34/200-netfilter_xtables_align.patch
new file mode 100644
index 000000000..f25e2c834
--- /dev/null
+++ b/target/linux/generic/patches-2.6.34/200-netfilter_xtables_align.patch
@@ -0,0 +1,50 @@
+--- a/include/linux/kernel.h
++++ b/include/linux/kernel.h
+@@ -4,6 +4,8 @@
+ /*
+ * 'kernel.h' contains some often-used function prototypes etc
+ */
++#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
++#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
+
+ #ifdef __KERNEL__
+
+@@ -37,8 +39,8 @@ extern const char linux_proc_banner[];
+
+ #define STACK_MAGIC 0xdeadbeef
+
+-#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
+-#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
++#define ALIGN(x, a) __ALIGN_KERNEL((x), (a))
++#define __ALIGN_MASK(x, mask) __ALIGN_KERNEL_MASK((x), (mask))
+ #define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
+ #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
+
+--- a/include/linux/netfilter/x_tables.h
++++ b/include/linux/netfilter/x_tables.h
+@@ -1,6 +1,6 @@
+ #ifndef _X_TABLES_H
+ #define _X_TABLES_H
+-
++#include <linux/kernel.h>
+ #include <linux/types.h>
+
+ #define XT_FUNCTION_MAXNAMELEN 30
+@@ -93,7 +93,7 @@ struct _xt_align {
+ __u64 u64;
+ };
+
+-#define XT_ALIGN(s) ALIGN((s), __alignof__(struct _xt_align))
++#define XT_ALIGN(s) __ALIGN_KERNEL((s), __alignof__(struct _xt_align))
+
+ /* Standard return verdict, or do jump. */
+ #define XT_STANDARD_TARGET ""
+@@ -598,7 +598,7 @@ struct _compat_xt_align {
+ compat_u64 u64;
+ };
+
+-#define COMPAT_XT_ALIGN(s) ALIGN((s), __alignof__(struct _compat_xt_align))
++#define COMPAT_XT_ALIGN(s) __ALIGN_KERNEL((s), __alignof__(struct _compat_xt_align))
+
+ extern void xt_compat_lock(u_int8_t af);
+ extern void xt_compat_unlock(u_int8_t af);