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Diffstat (limited to 'net/ipv4/ip_vti.c')
-rw-r--r--net/ipv4/ip_vti.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 13ef00f..b8960f3 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -313,7 +313,13 @@ vti_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
return -EINVAL;
}
- p.i_flags |= VTI_ISVTI;
+ if (!(p.i_flags & GRE_KEY))
+ p.i_key = 0;
+ if (!(p.o_flags & GRE_KEY))
+ p.o_key = 0;
+
+ p.i_flags = VTI_ISVTI;
+
err = ip_tunnel_ioctl(dev, &p, cmd);
if (err)
return err;
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