[PATCH] net: arc_emac: Fix the error-dereferencing freed memory 'bus'
From: Cai Huoqing <hidden>
Date: 2021-09-20 13:26:51
Also in:
lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Don't print 'bus->name' in the error info，because 'bus' has already been freed. Reported-by: Dan Carpenter <redacted> Signed-off-by: Cai Huoqing <redacted> --- drivers/net/ethernet/arc/emac_mdio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/arc/emac_mdio.c b/drivers/net/ethernet/arc/emac_mdio.c
index 9acf589b1178..2c08855a826c 100644
--- a/drivers/net/ethernet/arc/emac_mdio.c
+++ b/drivers/net/ethernet/arc/emac_mdio.c@@ -167,7 +167,7 @@ int arc_mdio_probe(struct arc_emac_priv *priv) if (error) { mdiobus_free(bus); return dev_err_probe(priv->dev, error, - "cannot register MDIO bus %s\n", bus->name); + "Failed to register MDIO bus\n"); } return 0;
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2.25.1