1 files changed, 7 insertions, 16 deletions

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 2173402d87e0..4dea2e0681d1 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -501,12 +501,10 @@ static struct net_device *dev_to_net_device(struct device *dev)
 #ifdef CONFIG_OF
 static int dsa_of_setup_routing_table(struct dsa_platform_data *pd,
                                         struct dsa_chip_data *cd,
-                                        int chip_index,
+                                        int chip_index, int port_index,
                                         struct device_node *link)
 {
-        int ret;
         const __be32 *reg;
-        int link_port_addr;
         int link_sw_addr;
         struct device_node *parent_sw;
         int len;
@@ -519,6 +517,10 @@ static int dsa_of_setup_routing_table(struct dsa_platform_data *pd,
         if (!reg || (len != sizeof(*reg) * 2))
                 return -EINVAL;
 
+        /*
+         * Get the destination switch number from the second field of its 'reg'
+         * property, i.e. for "reg = <0x19 1>" sw_addr is '1'.
+         */
         link_sw_addr = be32_to_cpup(reg + 1);
 
         if (link_sw_addr >= pd->nr_chips)
@@ -535,20 +537,9 @@ static int dsa_of_setup_routing_table(struct dsa_platform_data *pd,
                 memset(cd->rtable, -1, pd->nr_chips * sizeof(s8));
         }
 
-        reg = of_get_property(link, "reg", NULL);
-        if (!reg) {
-                ret = -EINVAL;
-                goto out;
-        }
-
-        link_port_addr = be32_to_cpup(reg);
-
-        cd->rtable[link_sw_addr] = link_port_addr;
+        cd->rtable[link_sw_addr] = port_index;
 
         return 0;
-out:
-        kfree(cd->rtable);
-        return ret;
 }
 
 static void dsa_of_free_platform_data(struct dsa_platform_data *pd)
@@ -658,7 +649,7 @@ static int dsa_of_probe(struct platform_device *pdev)
                         if (!strcmp(port_name, "dsa") && link &&
                                         pd->nr_chips > 1) {
                                 ret = dsa_of_setup_routing_table(pd, cd,
-                                                chip_index, link);
+                                                chip_index, port_index, link);
                                 if (ret)
                                         goto out_free_chip;
                         }