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-rw-r--r--net/ipv6/ndisc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index b761dbe..d4acd28 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -256,7 +256,7 @@ static struct ndisc_options *ndisc_parse_options(u8 *opt, int opt_len,
break;
case ND_OPT_PREFIX_INFO:
ndopts->nd_opts_pi_end = nd_opt;
- if (ndopts->nd_opt_array[nd_opt->nd_opt_type] == 0)
+ if (!ndopts->nd_opt_array[nd_opt->nd_opt_type])
ndopts->nd_opt_array[nd_opt->nd_opt_type] = nd_opt;
break;
#ifdef CONFIG_IPV6_ROUTE_INFO
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