From 8711071e9700b67045fe5518161d63f7a03e3c9e Mon Sep 17 00:00:00 2001 From: Zhang Qilong Date: Fri, 30 Oct 2020 23:49:09 +0800 Subject: watchdog: rti-wdt: fix reference leak in rti_wdt_probe pm_runtime_get_sync() will increment pm usage counter even it failed. Forgetting to call pm_runtime_put_noidle will result in reference leak in rti_wdt_probe, so we should fix it. Signed-off-by: Zhang Qilong Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20201030154909.100023-1-zhangqilong3@huawei.com Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/rti_wdt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/watchdog') diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c index 836319cbaca9..359302f71f7e 100644 --- a/drivers/watchdog/rti_wdt.c +++ b/drivers/watchdog/rti_wdt.c @@ -227,8 +227,10 @@ static int rti_wdt_probe(struct platform_device *pdev) pm_runtime_enable(dev); ret = pm_runtime_get_sync(dev); - if (ret) + if (ret) { + pm_runtime_put_noidle(dev); return dev_err_probe(dev, ret, "runtime pm failed\n"); + } platform_set_drvdata(pdev, wdt); -- cgit v1.2.3-59-g8ed1b