mlxsw: spectrum_router: Pass destination IP as a pointer to mlxsw_reg_ralue_pack4()

Instead of passing destination IP as a u32 value, pass it as pointer to
u32. Avoid using local variable for the pointer store.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mellanox/mlxsw/reg.h

@@ -7279,10 +7279,10 @@ static inline void mlxsw_reg_ralue_pack4(char *payload,
 					 enum mlxsw_reg_ralxx_protocol protocol,
 					 enum mlxsw_reg_ralue_op op,
 					 u16 virtual_router, u8 prefix_len,
-					 u32 dip)
+					 u32 *dip)
 {
 	mlxsw_reg_ralue_pack(payload, protocol, op, virtual_router, prefix_len);
-	mlxsw_reg_ralue_dip4_set(payload, dip);
+	mlxsw_reg_ralue_dip4_set(payload, *dip);
 }
 
 static inline void mlxsw_reg_ralue_pack6(char *payload,

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c

@@ -4314,7 +4314,6 @@ mlxsw_sp_fib_entry_ralue_pack(char *ralue_pl, enum mlxsw_sp_l3proto proto,
 {
 	enum mlxsw_reg_ralxx_protocol ralxx_proto;
 	enum mlxsw_reg_ralue_op ralue_op;
-	u32 *p_dip;
 
 	ralxx_proto = (enum mlxsw_reg_ralxx_protocol) proto;
 
@@ -4332,9 +4331,8 @@ mlxsw_sp_fib_entry_ralue_pack(char *ralue_pl, enum mlxsw_sp_l3proto proto,
 
 	switch (proto) {
 	case MLXSW_SP_L3_PROTO_IPV4:
-		p_dip = (u32 *) addr;
 		mlxsw_reg_ralue_pack4(ralue_pl, ralxx_proto, ralue_op,
-				      virtual_router, prefix_len, *p_dip);
+				      virtual_router, prefix_len, (u32 *) addr);
 		break;
 	case MLXSW_SP_L3_PROTO_IPV6:
 		mlxsw_reg_ralue_pack6(ralue_pl, ralxx_proto, ralue_op,