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| author | Haishuang Yan <yanhaishuang@cmss.chinamobile.com> | 2020-03-30 06:20:15 +0300 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-03-30 22:17:53 +0300 |
| commit | e19680f8347ec0e335ae90801fbe42d85d7b385a (patch) | |
| tree | 935257263f1062bb2f6c057fcbaf278438b70633 /net | |
| parent | 2e34328b396a69b73661ba38d47d92b7cf21c2c4 (diff) | |
| download | linux-e19680f8347ec0e335ae90801fbe42d85d7b385a.tar.xz | |
ipvs: fix uninitialized variable warning
If outer_proto is not set, GCC warning as following:
In file included from net/netfilter/ipvs/ip_vs_core.c:52:
net/netfilter/ipvs/ip_vs_core.c: In function 'ip_vs_in_icmp':
include/net/ip_vs.h:233:4: warning: 'outer_proto' may be used uninitialized in this function [-Wmaybe-uninitialized]
233 | printk(KERN_DEBUG pr_fmt(msg), ##__VA_ARGS__); \
| ^~~~~~
net/netfilter/ipvs/ip_vs_core.c:1666:8: note: 'outer_proto' was declared here
1666 | char *outer_proto;
| ^~~~~~~~~~~
Fixes: 73348fed35d0 ("ipvs: optimize tunnel dumps for icmp errors")
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_core.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index d2ac530a9501..aa6a603a2425 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -1663,7 +1663,7 @@ ip_vs_in_icmp(struct netns_ipvs *ipvs, struct sk_buff *skb, int *related, unsigned int offset, offset2, ihl, verdict; bool tunnel, new_cp = false; union nf_inet_addr *raddr; - char *outer_proto; + char *outer_proto = "IPIP"; *related = 1; @@ -1723,7 +1723,6 @@ ip_vs_in_icmp(struct netns_ipvs *ipvs, struct sk_buff *skb, int *related, if (cih == NULL) return NF_ACCEPT; /* The packet looks wrong, ignore */ tunnel = true; - outer_proto = "IPIP"; } else if ((cih->protocol == IPPROTO_UDP || /* Can be UDP encap */ cih->protocol == IPPROTO_GRE) && /* Can be GRE encap */ /* Error for our tunnel must arrive at LOCAL_IN */ |