From: Oleksij Rempel Date: Mon, 9 Dec 2024 13:07:41 +0000 (+0100) Subject: net: usb: lan78xx: Add error handling to lan78xx_setup_irq_domain X-Git-Tag: v6.14-rc1~162^2~245^2~6 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d354d008255ffdde6f3d4549dd6a06a14ee76619;p=thirdparty%2Flinux.git net: usb: lan78xx: Add error handling to lan78xx_setup_irq_domain Update `lan78xx_setup_irq_domain` to handle errors in `lan78xx_read_reg`. Return the error code immediately if the read operation fails, ensuring proper error propagation during IRQ domain setup. Signed-off-by: Oleksij Rempel Reviewed-by: Andrew Lunn Link: https://patch.msgid.link/20241209130751.703182-2-o.rempel@pengutronix.de Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index d5f6367d37148..070b21baffaf6 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -2445,7 +2445,10 @@ static int lan78xx_setup_irq_domain(struct lan78xx_net *dev) mutex_init(&dev->domain_data.irq_lock); - lan78xx_read_reg(dev, INT_EP_CTL, &buf); + ret = lan78xx_read_reg(dev, INT_EP_CTL, &buf); + if (ret < 0) + return ret; + dev->domain_data.irqenable = buf; dev->domain_data.irqchip = &lan78xx_irqchip;