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-rw-r--r--net/ipv4/inet_diag.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 72fa6821054..ed11a6d80b2 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -427,25 +427,31 @@ static int inet_diag_bc_run(const struct nlattr *_bc,
break;
}
- if (cond->prefix_len == 0)
- break;
-
if (op->code == INET_DIAG_BC_S_COND)
addr = entry->saddr;
else
addr = entry->daddr;
+ if (cond->family != AF_UNSPEC &&
+ cond->family != entry->family) {
+ if (entry->family == AF_INET6 &&
+ cond->family == AF_INET) {
+ if (addr[0] == 0 && addr[1] == 0 &&
+ addr[2] == htonl(0xffff) &&
+ bitstring_match(addr + 3,
+ cond->addr,
+ cond->prefix_len))
+ break;
+ }
+ yes = 0;
+ break;
+ }
+
+ if (cond->prefix_len == 0)
+ break;
if (bitstring_match(addr, cond->addr,
cond->prefix_len))
break;
- if (entry->family == AF_INET6 &&
- cond->family == AF_INET) {
- if (addr[0] == 0 && addr[1] == 0 &&
- addr[2] == htonl(0xffff) &&
- bitstring_match(addr + 3, cond->addr,
- cond->prefix_len))
- break;
- }
yes = 0;
break;
}