Commit 5d556b14 authored Dec 22, 2021 by Jiasheng Jiang Committed by Greg Kroah-Hartman Dec 29, 2021

fjes: Check for error irq



[ Upstream commit db6d6afe382de5a65d6ccf51253ab48b8e8336c3 ]

I find that platform_get_irq() will not always succeed.
It will return error irq in case of the failure.
Therefore, it might be better to check it if order to avoid the use of
error irq.

Fixes: 658d439b ("fjes: Introduce FUJITSU Extended Socket Network Device driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent d7024080

drivers/net/fjes/fjes_main.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -1269,6 +1269,11 @@ static int fjes_probe(struct platform_device *plat_dev)
		hw->hw_res.start = res->start;
		hw->hw_res.size = resource_size(res);
		hw->hw_res.irq = platform_get_irq(plat_dev, 0);
		if (hw->hw_res.irq < 0) {
		err = hw->hw_res.irq;
		goto err_free_control_wq;
		}

		err = fjes_hw_init(&adapter->hw);
		if (err)
		goto err_free_control_wq;