net/ipv6: stop leaking percpu memory in fib6 info

The fib6_info_alloc() function allocates percpu memory to hold per CPU pointers to rt6_info, but this memory is never freed. Fix it. Fixes: a64efe1 ("net/ipv6: introduce fib6_info struct and helpers") Signed-off-by: Mike Rapoport <[email protected]> Reviewed-by: David Ahern <[email protected]> Signed-off-by: David S. Miller <[email protected]>
jbg · Oct 11, 2018 · 7abab7b · 7abab7b
1 parent 49b538e
commit 7abab7b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
@@ -196,6 +196,8 @@ void fib6_info_destroy_rcu(struct rcu_head *head)
 				*ppcpu_rt = NULL;
 			}
 		}
+
+		free_percpu(f6i->rt6i_pcpu);
 	}
 
 	lwtstate_put(f6i->fib6_nh.nh_lwtstate);