Commit d1fb5559 authored by Johannes Berg's avatar Johannes Berg Committed by David S. Miller
Browse files

netlink: fix state reallocation in policy export 



Evidently, when I did this previously, we didn't have more than
10 policies and didn't run into the reallocation path, because
it's missing a memset() for the unused policies. Fix that.

Fixes: d07dcf9a ("netlink: add infrastructure to expose policies to userspace")
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b4c8998b

net/netlink/policy.c

+3 −0
Original line number Diff line number Diff line
@@ -51,6 +51,9 @@ static int add_policy(struct nl_policy_dump **statep, 
	if (!state)

		return -ENOMEM;



	memset(&state->policies[state->n_alloc], 0,

	       flex_array_size(state, policies, n_alloc - state->n_alloc));



	state->policies[state->n_alloc].policy = policy;

	state->policies[state->n_alloc].maxtype = maxtype;

	state->n_alloc = n_alloc;