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phy: cpcap-usb: Fix platform_get_irq_byname's error checking. 

[ Upstream commit e796cc6a3a ]

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: 6d6ce40f63 ("phy: cpcap-usb: Add CPCAP PMIC USB support")
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Arvind Yadav 2017-11-17 16:55:35 +05:30 committed by Greg Kroah-Hartman
parent 959f6a0906
commit 4d9f627291
1 changed files with 1 additions and 1 deletions
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2
drivers/phy/motorola/phy-cpcap-usb.c
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@ -310,7 +310,7 @@ static int cpcap_usb_init_irq(struct platform_device *pdev,
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,