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USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe()
author
Tang Bin
<tangbin@cmss.chinamobile.com>
Wed, 13 May 2020 13:26:47 +0000
(21:26 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Wed, 24 Jun 2020 15:50:29 +0000
(17:50 +0200)
[ Upstream commit
d49292025f79693d3348f8e2029a8b4703be0f0a
]
The function ehci_mxc_drv_probe() does not perform sufficient error
checking after executing platform_get_irq(), thus fix it.
Fixes:
7e8d5cd93fac
("USB: Add EHCI support for MX27 and MX31 based boards")
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Link:
https://lore.kernel.org/r/20200513132647.5456-1-tangbin@cmss.chinamobile.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/usb/host/ehci-mxc.c
patch
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blob
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diff --git
a/drivers/usb/host/ehci-mxc.c
b/drivers/usb/host/ehci-mxc.c
index
c9f91e6
..
7f65c86
100644
(file)
--- a/
drivers/usb/host/ehci-mxc.c
+++ b/
drivers/usb/host/ehci-mxc.c
@@
-50,6
+50,8
@@
static int ehci_mxc_drv_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
hcd = usb_create_hcd(&ehci_mxc_hc_driver, dev, dev_name(dev));
if (!hcd)