From 7357622d806833d93d317164dc6673fbf5fd1629 Mon Sep 17 00:00:00 2001
From: Markus Gothe <markus.gothe@genexis.eu>
Date: Sun, 23 Feb 2025 03:37:00 +0100
Subject: [PATCH] Fix fallthrough attribute for older kernels.
---
src/ebt_igmpsnooping.c | 8 ++++++++
src/ebt_mldsnooping.c | 8 ++++++++
2 files changed, 16 insertions(+)
diff --git a/src/ebt_igmpsnooping.c b/src/ebt_igmpsnooping.c
index fb5f480..af76adf 100644
--- a/src/ebt_igmpsnooping.c
+++ b/src/ebt_igmpsnooping.c
@@ -29,6 +29,14 @@
#include <linux/netfilter_bridge/ebt_igmpsnooping.h>
#include <net/netfilter/br_netfilter.h>
+#ifndef fallthrough
+#if __has_attribute(__fallthrough__)
+# define fallthrough __attribute__((__fallthrough__))
+#else
+# define fallthrough do {} while (0) /* fallthrough */
+#endif
+#endif
+
static DEFINE_SPINLOCK(igmp_lock);
static int igmp_snooping_show(struct seq_file *seq, void *v)
diff --git a/src/ebt_mldsnooping.c b/src/ebt_mldsnooping.c
index a2c48b6..9e3ff2e 100644
--- a/src/ebt_mldsnooping.c
+++ b/src/ebt_mldsnooping.c
@@ -31,6 +31,14 @@
#include <linux/netfilter_bridge/ebt_mldsnooping.h>
#include <net/netfilter/br_netfilter.h>
+#ifndef fallthrough
+#if __has_attribute(__fallthrough__)
+# define fallthrough __attribute__((__fallthrough__))
+#else
+# define fallthrough do {} while (0) /* fallthrough */
+#endif
+#endif
+
static DEFINE_SPINLOCK(mld_lock);
static int mld_snooping_show(struct seq_file *seq, void *v)
--
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