firmware: turris-mox-rwtm: Use ETH_ALEN instead of hardcoded 6

Use the ETH_ALEN macro instead of hardcoded 6 for MAC address length.

Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240831092050.23093-3-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c
index 67d7b65..d3ce093 100644 (file)
--- a/drivers/firmware/turris-mox-rwtm.c
+++ b/drivers/firmware/turris-mox-rwtm.c
@@ -10,6 +10,7 @@
 #include <linux/debugfs.h>
 #include <linux/dma-mapping.h>
 #include <linux/hw_random.h>
+#include <linux/if_ether.h>
 #include <linux/mailbox_client.h>
 #include <linux/minmax.h>
 #include <linux/module.h>
@@ -69,7 +70,7 @@ struct mox_rwtm {
        int has_board_info;
        u64 serial_number;
        int board_version, ram_size;
-       u8 mac_address1[6], mac_address2[6];
+       u8 mac_address1[ETH_ALEN], mac_address2[ETH_ALEN];
 
        /* public key burned in eFuse */
        int has_pubkey;