openwrt/target/linux/generic/pending-5.15/683-of_net-add-mac-address-to-of-tree.patch
Ansuel Smith 009f8afe06 generic: 5.15: refresh pending patch
Use 'make target/linux/refresh' to refresh pending patches.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
2022-03-27 05:00:50 +01:00

39 lines
770 B
Diff

--- a/net/core/of_net.c
+++ b/net/core/of_net.c
@@ -95,6 +95,27 @@ static int of_get_mac_addr_nvmem(struct
return 0;
}
+static int of_add_mac_address(struct device_node *np, u8* addr)
+{
+ struct property *prop;
+
+ prop = kzalloc(sizeof(*prop), GFP_KERNEL);
+ if (!prop)
+ return -ENOMEM;
+
+ prop->name = "mac-address";
+ prop->length = ETH_ALEN;
+ prop->value = kmemdup(addr, ETH_ALEN, GFP_KERNEL);
+ if (!prop->value || of_update_property(np, prop))
+ goto free;
+
+ return 0;
+free:
+ kfree(prop->value);
+ kfree(prop);
+ return -ENOMEM;
+}
+
/**
* of_get_mac_address()
* @np: Caller's Device Node
@@ -175,6 +196,7 @@ found:
addr[5] = (mac_val >> 0) & 0xff;
}
+ of_add_mac_address(np, addr);
return ret;
}
EXPORT_SYMBOL(of_get_mac_address);