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authorRoopa Prabhu <roopa@nvidia.com>2022-03-01 05:04:29 +0000
committerDavid S. Miller <davem@davemloft.net>2022-03-01 08:38:01 +0000
commitfba55a66e8ecd1855a77df7e6f296cc5ccffa202 (patch)
tree3ed3a3eb2153e335a36b9c473c078f046efeaaa9 /drivers/net/vxlan
parent6765393614ea8e2c0a7b953063513823f87c9115 (diff)
vxlan_core: fix build warnings in vxlan_xmit_one
Fix the below build warnings reported by kernel test robot: - initialize vni in vxlan_xmit_one - wrap label in ipv6 enabled checks in vxlan_xmit_one warnings: static drivers/net/vxlan/vxlan_core.c:2437:14: warning: variable 'label' set but not used [-Wunused-but-set-variable] __be32 vni, label; ^ >> drivers/net/vxlan/vxlan_core.c:2483:7: warning: variable 'vni' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Roopa Prabhu <roopa@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vxlan')
-rw-r--r--drivers/net/vxlan/vxlan_core.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index d0dc90d3dac2..a852582e6615 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -2603,13 +2603,16 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
struct vxlan_metadata *md = &_md;
__be16 src_port = 0, dst_port;
struct dst_entry *ndst = NULL;
- __be32 vni, label;
__u8 tos, ttl;
int ifindex;
int err;
u32 flags = vxlan->cfg.flags;
bool udp_sum = false;
bool xnet = !net_eq(vxlan->net, dev_net(vxlan->dev));
+ __be32 vni = 0;
+#if IS_ENABLED(CONFIG_IPV6)
+ __be32 label;
+#endif
info = skb_tunnel_info(skb);
@@ -2647,7 +2650,9 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
udp_sum = !(flags & VXLAN_F_UDP_ZERO_CSUM_TX);
else
udp_sum = !(flags & VXLAN_F_UDP_ZERO_CSUM6_TX);
+#if IS_ENABLED(CONFIG_IPV6)
label = vxlan->cfg.label;
+#endif
} else {
if (!info) {
WARN_ONCE(1, "%s: Missing encapsulation instructions\n",
@@ -2674,7 +2679,9 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
}
ttl = info->key.ttl;
tos = info->key.tos;
+#if IS_ENABLED(CONFIG_IPV6)
label = info->key.label;
+#endif
udp_sum = !!(info->key.tun_flags & TUNNEL_CSUM);
}
src_port = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min,