[PATCH] niu: read property length only if we use it

From: Martin Kaiser
Date: Thu Jul 29 2021 - 03:44:22 EST


In three places, the driver calls of_get_property and reads the property
length although the length is not used. Update the calls to not request
the length.

Signed-off-by: Martin Kaiser <martin@xxxxxxxxx>
---
drivers/net/ethernet/sun/niu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 860644d182ab..f37c235d9634 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -9208,7 +9208,7 @@ static int niu_get_of_props(struct niu *np)
else
dp = pci_device_to_OF_node(np->pdev);

- phy_type = of_get_property(dp, "phy-type", &prop_len);
+ phy_type = of_get_property(dp, "phy-type", NULL);
if (!phy_type) {
netdev_err(dev, "%pOF: OF node lacks phy-type property\n", dp);
return -EINVAL;
@@ -9242,12 +9242,12 @@ static int niu_get_of_props(struct niu *np)
return -EINVAL;
}

- model = of_get_property(dp, "model", &prop_len);
+ model = of_get_property(dp, "model", NULL);

if (model)
strcpy(np->vpd.model, model);

- if (of_find_property(dp, "hot-swappable-phy", &prop_len)) {
+ if (of_find_property(dp, "hot-swappable-phy", NULL)) {
np->flags |= (NIU_FLAGS_10G | NIU_FLAGS_FIBER |
NIU_FLAGS_HOTPLUG_PHY);
}
--
2.20.1