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authorOleksij Rempel <o.rempel@pengutronix.de>2024-12-09 14:07:41 +0100
committerJakub Kicinski <kuba@kernel.org>2024-12-10 18:48:26 -0800
commitd354d008255ffdde6f3d4549dd6a06a14ee76619 (patch)
tree79711e3d3d5929f55effa24af419ffaab467ceaa
parentce864c76ccd69470205f5cb22181bffe23563730 (diff)
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 <o.rempel@pengutronix.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20241209130751.703182-2-o.rempel@pengutronix.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/usb/lan78xx.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index d5f6367d3714..070b21baffaf 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;