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authorJakub Kicinski <kuba@kernel.org>2020-11-19 19:08:46 -0800
committerJakub Kicinski <kuba@kernel.org>2020-11-19 19:08:46 -0800
commit56495a2442a47d0ea752db62434913b3346fe5a5 (patch)
tree35284af165304f4fe47f0214a48a8708f76a0d28 /include/net/ip_tunnels.h
parent657bc1d10bfc23ac06d5d687ce45826c760744f9 (diff)
parent4d02da974ea85a62074efedf354e82778f910d82 (diff)
downloadlwn-56495a2442a47d0ea752db62434913b3346fe5a5.tar.gz
lwn-56495a2442a47d0ea752db62434913b3346fe5a5.zip
Merge https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/ip_tunnels.h')
-rw-r--r--include/net/ip_tunnels.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 1b7905eb793e..548b65bd3973 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -476,9 +476,11 @@ static inline void ip_tunnel_info_opts_set(struct ip_tunnel_info *info,
const void *from, int len,
__be16 flags)
{
- memcpy(ip_tunnel_info_opts(info), from, len);
info->options_len = len;
- info->key.tun_flags |= flags;
+ if (len > 0) {
+ memcpy(ip_tunnel_info_opts(info), from, len);
+ info->key.tun_flags |= flags;
+ }
}
static inline struct ip_tunnel_info *lwt_tun_info(struct lwtunnel_state *lwtstate)
@@ -524,7 +526,6 @@ static inline void ip_tunnel_info_opts_set(struct ip_tunnel_info *info,
__be16 flags)
{
info->options_len = 0;
- info->key.tun_flags |= flags;
}
#endif /* CONFIG_INET */