From 2e35c64f3861911fd96ef5439d84439d5a924259 Mon Sep 17 00:00:00 2001 From: Jiasheng Jiang Date: Wed, 22 Dec 2021 15:12:07 +0800 Subject: [PATCH] fjes: Check for error irq 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: 39f6d73f26bd ("fjes: Introduce FUJITSU Extended Socket Network Device driver") Signed-off-by: Jiasheng Jiang Signed-off-by: David S. Miller --- drivers/net/fjes/fjes_main.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index b06c17ac8d4ee..ebd287039a546 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -1262,6 +1262,11 @@ 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; -- 2.39.5