netfilter: change return types of match functions for ebtables extensions

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 3 insertions, 3 deletions

diff --git a/net/bridge/netfilter/ebt_mark_m.c b/net/bridge/netfilter/ebt_mark_m.c
index b2707d772c9..ec16c0e2868 100644
--- a/net/bridge/netfilter/ebt_mark_m.c
+++ b/net/bridge/netfilter/ebt_mark_m.c
@@ -12,15 +12,15 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_mark_m.h>
 
-static int ebt_filter_mark(const struct sk_buff *skb,
+static bool ebt_filter_mark(const struct sk_buff *skb,
    const struct net_device *in, const struct net_device *out, const void *data,
    unsigned int datalen)
 {
         const struct ebt_mark_m_info *info = data;
 
         if (info->bitmask & EBT_MARK_OR)
-                return !(!!(skb->mark & info->mask) ^ info->invert);
-        return !(((skb->mark & info->mask) == info->mark) ^ info->invert);
+                return !!(skb->mark & info->mask) ^ info->invert;
+        return ((skb->mark & info->mask) == info->mark) ^ info->invert;
 }
 
 static bool ebt_mark_check(const char *tablename, unsigned int hookmask,