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-rw-r--r--net/ipv4/ip_gre.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 533afaa..d9645c9 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1288,7 +1288,7 @@ static void ipgre_fb_tunnel_init(struct net_device *dev)
}
-static struct net_protocol ipgre_protocol = {
+static const struct net_protocol ipgre_protocol = {
.handler = ipgre_rcv,
.err_handler = ipgre_err,
.netns_ok = 1,
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