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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: eca10ae600 ("watchdog: add driver for Cortina Gemini watchdog")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/YvTgRk/ABp62/hNA@kili
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Dan Carpenter 2022-08-11 13:56:06 +03:00 committed by Wim Van Sebroeck
parent 22b455eecc
commit 695bfff553
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/ftwdt010_wdt.c
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@ -171,7 +171,7 @@ 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)