[PATCH] ebtables: fix limit and mark modules incompatibilities between 32-bit user space and 64-bit kernel space

[Alin Nastac]

Signed-off-by: Alin Nastac <alin.nas...@gmail.com>
---
 include/linux/netfilter_bridge/ebt_limit.h  | 4 ++++
 include/linux/netfilter_bridge/ebt_mark_m.h | 5 +++++
 include/linux/netfilter_bridge/ebt_mark_t.h | 4 ++++
 3 files changed, 13 insertions(+)

diff --git a/include/linux/netfilter_bridge/ebt_limit.h 
b/include/linux/netfilter_bridge/ebt_limit.h
index 66d80b3..6db2443 100644
--- a/include/linux/netfilter_bridge/ebt_limit.h
+++ b/include/linux/netfilter_bridge/ebt_limit.h
@@ -16,7 +16,11 @@ struct ebt_limit_info {
        __u32 burst;  /* Period multiplier for upper limit. */
 
        /* Used internally by the kernel */
+#ifdef KERNEL_64_USERSPACE_32
+       uint64_t prev;
+#else
        unsigned long prev;
+#endif
        __u32 credit;
        __u32 credit_cap, cost;
 };
diff --git a/include/linux/netfilter_bridge/ebt_mark_m.h 
b/include/linux/netfilter_bridge/ebt_mark_m.h
index 410f9e5..017307f 100644
--- a/include/linux/netfilter_bridge/ebt_mark_m.h
+++ b/include/linux/netfilter_bridge/ebt_mark_m.h
@@ -7,7 +7,12 @@
 #define EBT_MARK_OR 0x02
 #define EBT_MARK_MASK (EBT_MARK_AND | EBT_MARK_OR)
 struct ebt_mark_m_info {
+#ifdef KERNEL_64_USERSPACE_32
+       union { uint64_t pad1; unsigned long mark; };
+       union { uint64_t pad2; unsigned long mask; };
+#else
        unsigned long mark, mask;
+#endif
        __u8 invert;
        __u8 bitmask;
 };
diff --git a/include/linux/netfilter_bridge/ebt_mark_t.h 
b/include/linux/netfilter_bridge/ebt_mark_t.h
index 7d5a268..5f0f6d5 100644
--- a/include/linux/netfilter_bridge/ebt_mark_t.h
+++ b/include/linux/netfilter_bridge/ebt_mark_t.h
@@ -14,7 +14,11 @@
 #define MARK_XOR_VALUE (0xffffffc0)
 
 struct ebt_mark_t_info {
+#ifdef KERNEL_64_USERSPACE_32
+       union { uint64_t pad; unsigned long mark; };
+#else
        unsigned long mark;
+#endif
        /* EBT_ACCEPT, EBT_DROP, EBT_CONTINUE or EBT_RETURN */
        int target;
 };
-- 
2.7.4

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