From 2d830f7a41343302ab19e73d4f44f5ccb6940a25 Mon Sep 17 00:00:00 2001 From: Maxime Chevallier Date: Wed, 7 Jun 2023 15:59:37 +0200 Subject: [PATCH] net: altera-tse: Initialize local structs before using it The regmap_config and mdio_regmap_config objects needs to be zeroed before using them. This will cause spurious errors at probe time as config->pad_bits is containing random uninitialized data. Fixes: db48abbaa18e ("net: ethernet: altera-tse: Convert to mdio-regmap and use PCS Lynx") Signed-off-by: Maxime Chevallier Reviewed-by: Russell King (Oracle) Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/altera/altera_tse_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c index d866c0f..215f9fb 100644 --- a/drivers/net/ethernet/altera/altera_tse_main.c +++ b/drivers/net/ethernet/altera/altera_tse_main.c @@ -1255,6 +1255,8 @@ static int altera_tse_probe(struct platform_device *pdev) if (ret) goto err_free_netdev; + memset(&pcs_regmap_cfg, 0, sizeof(pcs_regmap_cfg)); + memset(&mrc, 0, sizeof(mrc)); /* SGMII PCS address space. The location can vary depending on how the * IP is integrated. We can have a resource dedicated to it at a specific * address space, but if it's not the case, we fallback to the mdiophy0 -- 2.7.4