[PATCH] watchdog: ftwdt010_wdt: fix test for platform_get_irq() failure

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This code assumes that platform_get_irq() function returns zero on
failure.  In fact, platform_get_irq() never returns zero.  It returns
negative error codes or positive non-zero values on success.

Fixes: eca10ae6000d ("watchdog: add driver for Cortina Gemini watchdog")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/watchdog/ftwdt010_wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/ftwdt010_wdt.c b/drivers/watchdog/ftwdt010_wdt.c
index 21dcc7765688..02112fc264bd 100644
--- a/drivers/watchdog/ftwdt010_wdt.c
+++ b/drivers/watchdog/ftwdt010_wdt.c
@@ -156,7 +156,7 @@ static int ftwdt010_wdt_probe(struct platform_device *pdev)
 	}
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq) {
+	if (irq > 0) {
 		ret = devm_request_irq(dev, irq, ftwdt010_wdt_interrupt, 0,
 				       "watchdog bark", gwdt);
 		if (ret)
-- 
2.35.1




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