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thermal/drivers/broadcom: Fix potential NULL dereference in sr_thermal_probe
[ Upstream commit e20d136ec7d6f309989c447638365840d3424c8e ]
platform_get_resource() may return NULL, add proper check to
avoid potential NULL dereferencing.
Fixes: 250e211057 ("thermal: broadcom: Add Stingray thermal driver")
Signed-off-by: Zheng Yongjun <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
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1 changed files with 3 additions and 0 deletions
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@ -60,6 +60,9 @@ static int sr_thermal_probe(struct platform_device *pdev)
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return -ENOMEM;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!res)
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return -ENOENT;
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sr_thermal->regs = (void __iomem *)devm_memremap(&pdev->dev, res->start,
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resource_size(res),
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MEMREMAP_WB);
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