Commit 433a1954 authored by Li RongQing's avatar Li RongQing Committed by David S. Miller

xfrm: fix a read lock imbalance in make_blackhole

if xfrm_policy_get_afinfo returns 0, it has already released the read
lock, xfrm_policy_put_afinfo should not be called again.
Signed-off-by: default avatarLi RongQing <roy.qing.li@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1d57f195
...@@ -1764,7 +1764,7 @@ static struct dst_entry *make_blackhole(struct net *net, u16 family, ...@@ -1764,7 +1764,7 @@ static struct dst_entry *make_blackhole(struct net *net, u16 family,
if (!afinfo) { if (!afinfo) {
dst_release(dst_orig); dst_release(dst_orig);
ret = ERR_PTR(-EINVAL); return ERR_PTR(-EINVAL);
} else { } else {
ret = afinfo->blackhole_route(net, dst_orig); ret = afinfo->blackhole_route(net, dst_orig);
} }
......
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