If the DT does not include a regs parameter then the null res
would be dereferenced.
Signed-off-by: Jason Gunthorpe <jguntho...@obsidianresearch.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
--
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