[NETFILTER]: H.323 helper: fix possible NULL-ptr dereference

[linux-2.6] / net / netfilter / xt_mark.c

diff --git a/net/netfilter/xt_mark.c b/net/netfilter/xt_mark.c
index 8b385a34886de4fdbf9c324377dc1348a20e815c..876bc57977381bc62ffd6c11c077cd3570428e1f 100644 (file)
--- a/net/netfilter/xt_mark.c
+++ b/net/netfilter/xt_mark.c
@@ -42,7 +42,7 @@ checkentry(const char *tablename,
            unsigned int matchsize,
            unsigned int hook_mask)
 {
-       struct xt_mark_info *minfo = (struct xt_mark_info *) matchinfo;
+       const struct xt_mark_info *minfo = matchinfo;
 
        if (minfo->mark > 0xffffffff || minfo->mask > 0xffffffff) {
                printk(KERN_WARNING "mark: only supports 32bit mark\n");