[PATCH v3 2/2] phy: renesas: rcar-gen3-usb2: exit if request_irq() failed

From: Yoshihiro Shimoda
Date: Fri Jul 17 2020 - 07:45:08 EST


To avoid unexpected behaviors, it's better to exit if request_irq()
failed.

Suggested-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
---
drivers/phy/renesas/phy-rcar-gen3-usb2.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
index 5087b7c..e34e447 100644
--- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
@@ -419,8 +419,10 @@ static int rcar_gen3_phy_usb2_init(struct phy *p)
INIT_WORK(&channel->work, rcar_gen3_phy_usb2_work);
ret = request_irq(channel->irq, rcar_gen3_phy_usb2_irq,
IRQF_SHARED, dev_name(channel->dev), channel);
- if (ret < 0)
+ if (ret < 0) {
dev_err(channel->dev, "No irq handler (%d)\n", channel->irq);
+ return ret;
+ }
}

/* Initialize USB2 part */
--
2.7.4