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Message-ID: <20121207224446.GA29262@obsidianresearch.com> Date: Fri, 7 Dec 2012 15:44:46 -0700 From: Jason Gunthorpe <jgunthorpe@...idianresearch.com> To: linux-kernel@...r.kernel.org, linux-watchdog@...r.kernel.org, Wim Van Sebroeck <wim@...ana.be> Subject: [PATCH] ARM: Orion: Fix possible null-deference in orion_wdt_probe If the DT does not include a regs parameter then the null res would be dereferenced. Signed-off-by: Jason Gunthorpe <jgunthorpe@...idianresearch.com> --- drivers/watchdog/orion_wdt.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index c20f96b..140a1e3 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -156,6 +156,8 @@ static int __devinit orion_wdt_probe(struct platform_device *pdev) wdt_tclk = clk_get_rate(clk); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; wdt_reg = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (!wdt_reg) return -ENOMEM; -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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