From: Roopa Prabhu <roopa@nvidia.com>
To: <davem@davemloft.net>, <kuba@kernel.org>
Cc: <netdev@vger.kernel.org>, <stephen@networkplumber.org>,
<nikolay@cumulusnetworks.com>, <idosch@nvidia.com>,
<dsahern@gmail.com>, <bpoirier@nvidia.com>
Subject: [PATCH net-next v3 02/12] vxlan_core: fix build warnings in vxlan_xmit_one
Date: Tue, 1 Mar 2022 05:04:29 +0000 [thread overview]
Message-ID: <20220301050439.31785-3-roopa@nvidia.com> (raw)
In-Reply-To: <20220301050439.31785-1-roopa@nvidia.com>
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>
---
drivers/net/vxlan/vxlan_core.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
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,
--
2.25.1
next prev parent reply other threads:[~2022-03-01 5:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-01 5:04 [PATCH net-next v3 00/12] vxlan metadata device vnifiltering support Roopa Prabhu
2022-03-01 5:04 ` [PATCH net-next v3 01/12] vxlan: move to its own directory Roopa Prabhu
2022-03-01 5:04 ` Roopa Prabhu [this message]
2022-03-01 5:04 ` [PATCH net-next v3 03/12] vxlan_core: move common declarations to private header file Roopa Prabhu
2022-03-01 5:04 ` [PATCH net-next v3 04/12] vxlan_core: move some fdb helpers to non-static Roopa Prabhu
2022-03-01 5:04 ` [PATCH net-next v3 05/12] vxlan_core: make multicast helper take rip and ifindex explicitly Roopa Prabhu
2022-03-01 5:04 ` [PATCH net-next v3 06/12] vxlan_core: add helper vxlan_vni_in_use Roopa Prabhu
2022-03-01 5:04 ` [PATCH net-next v3 07/12] rtnetlink: add new rtm tunnel api for tunnel id filtering Roopa Prabhu
2022-03-01 5:04 ` [PATCH net-next v3 08/12] vxlan_multicast: Move multicast helpers to a separate file Roopa Prabhu
2022-03-01 5:04 ` [PATCH net-next v3 09/12] vxlan: vni filtering support on collect metadata device Roopa Prabhu
2022-03-01 5:04 ` [PATCH net-next v3 10/12] selftests: add new tests for vxlan vnifiltering Roopa Prabhu
2022-03-01 5:04 ` [PATCH net-next v3 11/12] drivers: vxlan: vnifilter: per vni stats Roopa Prabhu
2022-03-01 5:04 ` [PATCH net-next v3 12/12] drivers: vxlan: vnifilter: add support for stats dumping Roopa Prabhu
2022-03-01 8:50 ` [PATCH net-next v3 00/12] vxlan metadata device vnifiltering support patchwork-bot+netdevbpf
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