Commit 5c127c58 authored by David S. Miller's avatar David S. Miller

[TCP]: 'dst' can be NULL in tcp_rto_min()

Reported by Rick Jones.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 88282c6e
...@@ -560,7 +560,7 @@ static u32 tcp_rto_min(struct sock *sk) ...@@ -560,7 +560,7 @@ static u32 tcp_rto_min(struct sock *sk)
struct dst_entry *dst = __sk_dst_get(sk); struct dst_entry *dst = __sk_dst_get(sk);
u32 rto_min = TCP_RTO_MIN; u32 rto_min = TCP_RTO_MIN;
if (dst_metric_locked(dst, RTAX_RTO_MIN)) if (dst && dst_metric_locked(dst, RTAX_RTO_MIN))
rto_min = dst->metrics[RTAX_RTO_MIN-1]; rto_min = dst->metrics[RTAX_RTO_MIN-1];
return rto_min; return rto_min;
} }
......
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