The function to convert from internal representation to
netlink was using a void pointer when both caller and callee
were using same structure.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 drivers/net/tap/tap_flow.c | 47 +++++++++++++-------------------------
 1 file changed, 16 insertions(+), 31 deletions(-)

diff --git a/drivers/net/tap/tap_flow.c b/drivers/net/tap/tap_flow.c
index 6564583174..c0e44bb1a7 100644
--- a/drivers/net/tap/tap_flow.c
+++ b/drivers/net/tap/tap_flow.c
@@ -74,12 +74,12 @@ struct action_data {
        };
 };
 
-static int tap_flow_create_eth(const struct rte_flow_item *item, void *data);
-static int tap_flow_create_vlan(const struct rte_flow_item *item, void *data);
-static int tap_flow_create_ipv4(const struct rte_flow_item *item, void *data);
-static int tap_flow_create_ipv6(const struct rte_flow_item *item, void *data);
-static int tap_flow_create_udp(const struct rte_flow_item *item, void *data);
-static int tap_flow_create_tcp(const struct rte_flow_item *item, void *data);
+static int tap_flow_create_eth(const struct rte_flow_item *item, struct 
convert_data *info);
+static int tap_flow_create_vlan(const struct rte_flow_item *item, struct 
convert_data *info);
+static int tap_flow_create_ipv4(const struct rte_flow_item *item, struct 
convert_data *info);
+static int tap_flow_create_ipv6(const struct rte_flow_item *item, struct 
convert_data *info);
+static int tap_flow_create_udp(const struct rte_flow_item *item, struct 
convert_data *info);
+static int tap_flow_create_tcp(const struct rte_flow_item *item, struct 
convert_data *info);
 static int
 tap_flow_validate(struct rte_eth_dev *dev,
                  const struct rte_flow_attr *attr,
@@ -139,19 +139,10 @@ struct tap_flow_items {
         * along with the item.
         */
        const void *default_mask;
-       /**
-        * Conversion function from rte_flow to netlink attributes.
-        *
-        * @param item
-        *   rte_flow item to convert.
-        * @param data
-        *   Internal structure to store the conversion.
-        *
-        * @return
-        *   0 on success, negative value otherwise.
-        */
-       int (*convert)(const struct rte_flow_item *item, void *data);
-       /** List of possible following items.  */
+       /* Conversion function from rte_flow to netlink attributes. */
+       int (*convert)(const struct rte_flow_item *item, struct convert_data 
*info);
+
+       /* List of possible following items.  */
        const enum rte_flow_item_type *const items;
 };
 
@@ -417,9 +408,8 @@ static struct remote_rule 
implicit_rte_flows[TAP_REMOTE_MAX_IDX] = {
  *   0 if checks are alright, -1 otherwise.
  */
 static int
-tap_flow_create_eth(const struct rte_flow_item *item, void *data)
+tap_flow_create_eth(const struct rte_flow_item *item, struct convert_data 
*info)
 {
-       struct convert_data *info = (struct convert_data *)data;
        const struct rte_flow_item_eth *spec = item->spec;
        const struct rte_flow_item_eth *mask = item->mask;
        struct rte_flow *flow = info->flow;
@@ -471,9 +461,8 @@ tap_flow_create_eth(const struct rte_flow_item *item, void 
*data)
  *   0 if checks are alright, -1 otherwise.
  */
 static int
-tap_flow_create_vlan(const struct rte_flow_item *item, void *data)
+tap_flow_create_vlan(const struct rte_flow_item *item, struct convert_data 
*info)
 {
-       struct convert_data *info = (struct convert_data *)data;
        const struct rte_flow_item_vlan *spec = item->spec;
        const struct rte_flow_item_vlan *mask = item->mask;
        struct rte_flow *flow = info->flow;
@@ -531,9 +520,8 @@ tap_flow_create_vlan(const struct rte_flow_item *item, void 
*data)
  *   0 if checks are alright, -1 otherwise.
  */
 static int
-tap_flow_create_ipv4(const struct rte_flow_item *item, void *data)
+tap_flow_create_ipv4(const struct rte_flow_item *item, struct convert_data 
*info)
 {
-       struct convert_data *info = (struct convert_data *)data;
        const struct rte_flow_item_ipv4 *spec = item->spec;
        const struct rte_flow_item_ipv4 *mask = item->mask;
        struct rte_flow *flow = info->flow;
@@ -586,9 +574,8 @@ tap_flow_create_ipv4(const struct rte_flow_item *item, void 
*data)
  *   0 if checks are alright, -1 otherwise.
  */
 static int
-tap_flow_create_ipv6(const struct rte_flow_item *item, void *data)
+tap_flow_create_ipv6(const struct rte_flow_item *item, struct convert_data 
*info)
 {
-       struct convert_data *info = (struct convert_data *)data;
        const struct rte_flow_item_ipv6 *spec = item->spec;
        const struct rte_flow_item_ipv6 *mask = item->mask;
        struct rte_flow *flow = info->flow;
@@ -642,9 +629,8 @@ tap_flow_create_ipv6(const struct rte_flow_item *item, void 
*data)
  *   0 if checks are alright, -1 otherwise.
  */
 static int
-tap_flow_create_udp(const struct rte_flow_item *item, void *data)
+tap_flow_create_udp(const struct rte_flow_item *item, struct convert_data 
*info)
 {
-       struct convert_data *info = (struct convert_data *)data;
        const struct rte_flow_item_udp *spec = item->spec;
        const struct rte_flow_item_udp *mask = item->mask;
        struct rte_flow *flow = info->flow;
@@ -688,9 +674,8 @@ tap_flow_create_udp(const struct rte_flow_item *item, void 
*data)
  *   0 if checks are alright, -1 otherwise.
  */
 static int
-tap_flow_create_tcp(const struct rte_flow_item *item, void *data)
+tap_flow_create_tcp(const struct rte_flow_item *item, struct convert_data 
*info)
 {
-       struct convert_data *info = (struct convert_data *)data;
        const struct rte_flow_item_tcp *spec = item->spec;
        const struct rte_flow_item_tcp *mask = item->mask;
        struct rte_flow *flow = info->flow;
-- 
2.45.2

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