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fjes: Check for error irq 

[ Upstream commit db6d6afe38 ]

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: 658d439b22 ("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>
This commit is contained in:
Jiasheng Jiang 2021-12-22 15:12:07 +08:00 committed by Greg Kroah-Hartman
parent a038c504f6
commit 643c89669e
1 changed files with 5 additions and 0 deletions
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5
drivers/net/fjes/fjes_main.c
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@ -1261,6 +1261,11 @@ 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;