linux-kernel - [PATCH 5.2 009/124] media: stm32-dcmi: fix irq = 0 case

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190919214819.509846815@linuxfoundation.org>
Date:   Fri, 20 Sep 2019 00:01:37 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Fabien Dessenne <fabien.dessenne@...com>,
        Pavel Machek <pavel@....cz>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Subject: [PATCH 5.2 009/124] media: stm32-dcmi: fix irq = 0 case

From: Fabien Dessenne <fabien.dessenne@...com>

commit dbb9fcc8c2d8d4ea1104f51d4947a8a8199a2cb5 upstream.

Manage the irq = 0 case, where we shall return an error.

Fixes: b5b5a27bee58 ("media: stm32-dcmi: return appropriate error codes during probe")

Signed-off-by: Fabien Dessenne <fabien.dessenne@...com>
Reported-by: Pavel Machek <pavel@....cz>
Acked-by: Pavel Machek <pavel@....cz>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/media/platform/stm32/stm32-dcmi.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -1702,7 +1702,7 @@ static int dcmi_probe(struct platform_de
 	if (irq <= 0) {
 		if (irq != -EPROBE_DEFER)
 			dev_err(&pdev->dev, "Could not get irq\n");
-		return irq;
+		return irq ? irq : -ENXIO;
 	}
 
 	dcmi->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);