xfrm: Fix crash observed during device unregistration and decryption

[pandora-kernel.git] / net / xfrm / xfrm_input.c

diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index ab2bb42..2529dab 100644 (file)
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -191,6 +191,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
                XFRM_SKB_CB(skb)->seq.input.hi = seq_hi;
 
                skb_dst_force(skb);
+               dev_hold(skb->dev);
 
                nexthdr = x->type->input(x, skb);
 
@@ -198,6 +199,8 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
                        return 0;
 
 resume:
+               dev_put(skb->dev);
+
                spin_lock(&x->lock);
                if (nexthdr <= 0) {
                        if (nexthdr == -EBADMSG) {