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net: dsa: qca8k: fix NULL pointer dereference for of_device_get_match_data

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of_device_get_match_data is called on priv->dev before priv->dev is
actually set. Move of_device_get_match_data after priv->dev is correctly
set to fix this kernel panic.

Fixes: 3bb0844e7b ("net: dsa: qca8k: cache match data to speed up access")
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20220904215319.13070-1-ansuelsmth@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Christian Marangi 2022-09-04 23:53:19 +02:00 committed by Paolo Abeni
parent 686dc2db2a
commit 42b998d4aa
1 changed files with 1 additions and 1 deletions
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2
drivers/net/dsa/qca/qca8k-8xxx.c
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@ -1889,9 +1889,9 @@ qca8k_sw_probe(struct mdio_device *mdiodev)
if (!priv)
return -ENOMEM;
priv->info = of_device_get_match_data(priv->dev);
priv->bus = mdiodev->bus;
priv->dev = &mdiodev->dev;
priv->info = of_device_get_match_data(priv->dev);
priv->reset_gpio = devm_gpiod_get_optional(priv->dev, "reset",
GPIOD_ASIS);