提交 ec1652af 编写于 作者: R roel kluin 提交者: David S. Miller

bcm63xx_enet: timeout off by one in do_mdio_op()

`while (limit-- >= 0)' reaches -2 after the loop upon timeout.
Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Acked-by: NMaxime Bizon <mbizon@freebox.fr>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 ebd6e774
......@@ -90,7 +90,7 @@ static int do_mdio_op(struct bcm_enet_priv *priv, unsigned int data)
if (enet_readl(priv, ENET_IR_REG) & ENET_IR_MII)
break;
udelay(1);
} while (limit-- >= 0);
} while (limit-- > 0);
return (limit < 0) ? 1 : 0;
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册