From: Sergey Shtylyov <s.shtylyov@omp.ru> To: <linux-usb@vger.kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Felipe Balbi <balbi@kernel.org> Cc: Al Cooper <alcooperx@gmail.com>, Florian Fainelli <f.fainelli@gmail.com>, <bcm-kernel-feedback-list@broadcom.com>, <linux-arm-kernel@lists.infradead.org> Subject: [PATCH v2 6/9] usb: misc: brcmstb-usb-pinmap: add IRQ check Date: Mon, 9 Aug 2021 23:45:15 +0300 [thread overview] Message-ID: <806d0b1a-365b-93d9-3fc1-922105ca5e61@omp.ru> (raw) In-Reply-To: <47bacc02-4e34-3208-779c-7072a6261782@omp.ru> The driver neglects to check the result of platform_get_irq()'s call and blithely passes the negative error codes to devm_request_irq() (which takes *unsigned* IRQ #), causing it to fail with -EINVAL, overriding an original error code. Stop calling devm_request_irq() with the invalid IRQ #s. Fixes: 517c4c44b323 ("usb: Add driver to allow any GPIO to be used for 7211 USB signals") Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> --- drivers/usb/misc/brcmstb-usb-pinmap.c | 2 ++ 1 file changed, 2 insertions(+) Index: usb/drivers/usb/misc/brcmstb-usb-pinmap.c =================================================================== --- usb.orig/drivers/usb/misc/brcmstb-usb-pinmap.c +++ usb/drivers/usb/misc/brcmstb-usb-pinmap.c @@ -293,6 +293,8 @@ static int __init brcmstb_usb_pinmap_pro /* Enable interrupt for out pins */ irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; err = devm_request_irq(&pdev->dev, irq, brcmstb_usb_pinmap_ovr_isr, IRQF_TRIGGER_RISING,
WARNING: multiple messages have this Message-ID (diff)
From: Sergey Shtylyov <s.shtylyov@omp.ru> To: <linux-usb@vger.kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Felipe Balbi <balbi@kernel.org> Cc: Al Cooper <alcooperx@gmail.com>, Florian Fainelli <f.fainelli@gmail.com>, <bcm-kernel-feedback-list@broadcom.com>, <linux-arm-kernel@lists.infradead.org> Subject: [PATCH v2 6/9] usb: misc: brcmstb-usb-pinmap: add IRQ check Date: Mon, 9 Aug 2021 23:45:15 +0300 [thread overview] Message-ID: <806d0b1a-365b-93d9-3fc1-922105ca5e61@omp.ru> (raw) In-Reply-To: <47bacc02-4e34-3208-779c-7072a6261782@omp.ru> The driver neglects to check the result of platform_get_irq()'s call and blithely passes the negative error codes to devm_request_irq() (which takes *unsigned* IRQ #), causing it to fail with -EINVAL, overriding an original error code. Stop calling devm_request_irq() with the invalid IRQ #s. Fixes: 517c4c44b323 ("usb: Add driver to allow any GPIO to be used for 7211 USB signals") Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> --- drivers/usb/misc/brcmstb-usb-pinmap.c | 2 ++ 1 file changed, 2 insertions(+) Index: usb/drivers/usb/misc/brcmstb-usb-pinmap.c =================================================================== --- usb.orig/drivers/usb/misc/brcmstb-usb-pinmap.c +++ usb/drivers/usb/misc/brcmstb-usb-pinmap.c @@ -293,6 +293,8 @@ static int __init brcmstb_usb_pinmap_pro /* Enable interrupt for out pins */ irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; err = devm_request_irq(&pdev->dev, irq, brcmstb_usb_pinmap_ovr_isr, IRQF_TRIGGER_RISING, _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-08-09 20:45 UTC|newest] Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-09 20:16 [PATCH v2 0/9] Stop calling request_irq(), etc. with invalid IRQs in the USB drivers Sergey Shtylyov 2021-08-09 20:21 ` [PATCH v2 1/9] usb: dwc3: meson-g12a: add IRQ check Sergey Shtylyov 2021-08-09 20:21 ` Sergey Shtylyov 2021-08-09 20:21 ` Sergey Shtylyov 2021-08-09 20:23 ` [PATCH v2 2/9] usb: dwc3: qcom: " Sergey Shtylyov 2021-08-09 20:27 ` [PATCH v2 3/6] usb: gadget: udc: at91: " Sergey Shtylyov 2021-08-09 20:27 ` Sergey Shtylyov 2021-08-09 20:35 ` [PATCH v2 4/9] usb: gadget: udc: s3c2410: " Sergey Shtylyov 2021-08-09 20:35 ` Sergey Shtylyov 2021-08-10 6:53 ` Krzysztof Kozlowski 2021-08-10 6:53 ` Krzysztof Kozlowski 2021-08-12 5:40 ` Felipe Balbi 2021-08-12 5:40 ` Felipe Balbi 2021-08-09 20:41 ` [PATCH v2 5/9] usb: host: ohci-tmio: " Sergey Shtylyov 2021-08-09 20:54 ` Alan Stern 2021-08-09 20:45 ` Sergey Shtylyov [this message] 2021-08-09 20:45 ` [PATCH v2 6/9] usb: misc: brcmstb-usb-pinmap: " Sergey Shtylyov 2021-08-10 9:51 ` Florian Fainelli 2021-08-10 9:51 ` Florian Fainelli 2021-08-09 20:50 ` [PATCH v2 7/9] usb: phy: fsl-usb: " Sergey Shtylyov 2021-08-09 20:50 ` Sergey Shtylyov 2021-08-12 5:38 ` Felipe Balbi 2021-08-12 5:38 ` Felipe Balbi 2021-08-09 20:52 ` [PATCH v2 8/9] usb: phy: tahvo: " Sergey Shtylyov 2021-08-12 5:39 ` Felipe Balbi 2021-08-13 7:02 ` Greg Kroah-Hartman 2021-08-13 10:33 ` Sergey Shtylyov 2021-08-09 20:53 ` [PATCH v2 9/9] usb: phy: twl6030: add IRQ checks Sergey Shtylyov 2021-08-12 5:39 ` Felipe Balbi
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