* [PATCH 2/9] usb: dwc3: qcom: add IRQ check
[not found] <717ddd7c-22cd-d82c-e43d-80254718c801@omp.ru>
@ 2021-08-08 20:41 ` Sergey Shtylyov
2021-08-09 10:07 ` Felipe Balbi
0 siblings, 1 reply; 2+ messages in thread
From: Sergey Shtylyov @ 2021-08-08 20:41 UTC (permalink / raw)
To: linux-usb, Greg Kroah-Hartman, Felipe Balbi
Cc: Andy Gross, Bjorn Andersson, linux-arm-msm
In dwc3_qcom_acpi_register_core(), the driver neglects to check the result
of platform_get_irq()'s call and blithely assigns the negative error codes
to the allocated child device's IRQ resource and then passing this resource
to platform_device_add_resources() and later causing dwc3_otg_get_irq() to
fail anyway. Stop calling platform_device_add_resources() with the invalid
IRQ #s, so that there's less complexity in the IRQ error checking.
Fixes: 2bc02355f8ba ("usb: dwc3: qcom: Add support for booting with ACPI")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
---
drivers/usb/dwc3/dwc3-qcom.c | 4 ++++
1 file changed, 4 insertions(+)
Index: usb/drivers/usb/dwc3/dwc3-qcom.c
===================================================================
--- usb.orig/drivers/usb/dwc3/dwc3-qcom.c
+++ usb/drivers/usb/dwc3/dwc3-qcom.c
@@ -614,6 +614,10 @@ static int dwc3_qcom_acpi_register_core(
qcom->acpi_pdata->dwc3_core_base_size;
irq = platform_get_irq(pdev_irq, 0);
+ if (irq < 0) {
+ ret = irq;
+ goto out;
+ }
child_res[1].flags = IORESOURCE_IRQ;
child_res[1].start = child_res[1].end = irq;
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH 2/9] usb: dwc3: qcom: add IRQ check
2021-08-08 20:41 ` [PATCH 2/9] usb: dwc3: qcom: add IRQ check Sergey Shtylyov
@ 2021-08-09 10:07 ` Felipe Balbi
0 siblings, 0 replies; 2+ messages in thread
From: Felipe Balbi @ 2021-08-09 10:07 UTC (permalink / raw)
To: Sergey Shtylyov
Cc: linux-usb, Greg Kroah-Hartman, Andy Gross, Bjorn Andersson,
linux-arm-msm
Sergey Shtylyov <s.shtylyov@omp.ru> writes:
> In dwc3_qcom_acpi_register_core(), the driver neglects to check the result
> of platform_get_irq()'s call and blithely assigns the negative error codes
> to the allocated child device's IRQ resource and then passing this resource
> to platform_device_add_resources() and later causing dwc3_otg_get_irq() to
> fail anyway. Stop calling platform_device_add_resources() with the invalid
> IRQ #s, so that there's less complexity in the IRQ error checking.
>
> Fixes: 2bc02355f8ba ("usb: dwc3: qcom: Add support for booting with ACPI")
> Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Acked-by: Felipe Balbi <balbi@kernel.org>
--
balbi
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-08-08 20:41 ` [PATCH 2/9] usb: dwc3: qcom: add IRQ check Sergey Shtylyov
2021-08-09 10:07 ` Felipe Balbi
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