4.14-stable review patch. If anyone has any objections, please let me know.
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From: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
[ Upstream commit e796cc6a3a9186c92092e2f5929cf8f65b56cf01 ]
The platform_get_irq_byname() function returns negative if an error occurs.
zero or positive number on success. platform_get_irq_byname() error
checking for zero is not correct.
Fixes: 6d6ce40f63af ("phy: cpcap-usb: Add CPCAP PMIC USB support")
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/phy/motorola/phy-cpcap-usb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/phy/motorola/phy-cpcap-usb.c
+++ b/drivers/phy/motorola/phy-cpcap-usb.c
@@ -310,7 +310,7 @@ static int cpcap_usb_init_irq(struct pla
int irq, error;
irq = platform_get_irq_byname(pdev, name);
- if (!irq)
+ if (irq < 0)
return -ENODEV;
error = devm_request_threaded_irq(ddata->dev, irq, NULL,