From: Li RongQing <roy.qing...@gmail.com>
The returned xfrm_state should be hold before unlock xfrm_state_lock,
otherwise the returned xfrm_state maybe be released.
Fixes: c454997e6[{pktgen, xfrm} Introduce xfrm_state_lookup_byspi..]
Cc: Fan Du <fan...@intel.com>
Signed-off-by: Li RongQing <roy.qing...@gmail.com>
Acked-by: Fan Du <fan...@intel.com>
Signed-off-by: Steffen Klassert <steffen.klass...@secunet.com>
---
net/xfrm/xfrm_state.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index f5e39e3..96688cd 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -927,8 +927,8 @@ struct xfrm_state *xfrm_state_lookup_byspi(struct net *net,
__be32 spi,
x->id.spi != spi)
continue;
- spin_unlock_bh(&net->xfrm.xfrm_state_lock);
xfrm_state_hold(x);
+ spin_unlock_bh(&net->xfrm.xfrm_state_lock);
return x;
}
spin_unlock_bh(&net->xfrm.xfrm_state_lock);
--
1.9.1
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