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Diffstat (limited to 'net/netlink/policy.c')
-rw-r--r--net/netlink/policy.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/net/netlink/policy.c b/net/netlink/policy.c
index 87e3de0fde89..e2f111edf66c 100644
--- a/net/netlink/policy.c
+++ b/net/netlink/policy.c
@@ -21,7 +21,7 @@ struct netlink_policy_dump_state {
struct {
const struct nla_policy *policy;
unsigned int maxtype;
- } policies[];
+ } policies[] __counted_by(n_alloc);
};
static int add_policy(struct netlink_policy_dump_state **statep,
@@ -29,7 +29,7 @@ static int add_policy(struct netlink_policy_dump_state **statep,
unsigned int maxtype)
{
struct netlink_policy_dump_state *state = *statep;
- unsigned int n_alloc, i;
+ unsigned int old_n_alloc, n_alloc, i;
if (!policy || !maxtype)
return 0;
@@ -52,12 +52,13 @@ static int add_policy(struct netlink_policy_dump_state **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;
+ old_n_alloc = state->n_alloc;
state->n_alloc = n_alloc;
+ memset(&state->policies[old_n_alloc], 0,
+ flex_array_size(state, policies, n_alloc - old_n_alloc));
+
+ state->policies[old_n_alloc].policy = policy;
+ state->policies[old_n_alloc].maxtype = maxtype;
*statep = state;
return 0;