From: Miaoqian Lin linmq006@gmail.com
stable inclusion from stable-v5.10.110 commit d9afc5146bd37e7d4bb3f425ec0aa97dfcbdcb71 bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit d055ef3a2c6919cff504ae3b710c96318d545fd2 upstream.
If the probe fails, we should use pm_runtime_disable() to balance pm_runtime_enable().
Fixes: 2d63908bdbfb ("watchdog: Add K3 RTI watchdog support") Signed-off-by: Miaoqian Lin linmq006@gmail.com Reviewed-by: Guenter Roeck linux@roeck-us.net Link: https://lore.kernel.org/r/20220105092114.23932-1-linmq006@gmail.com Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Wim Van Sebroeck wim@linux-watchdog.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Yu Liao liaoyu15@huawei.com Reviewed-by: Wei Li liwei391@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/watchdog/rti_wdt.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c index 359302f71f7e..ae7f9357bb87 100644 --- a/drivers/watchdog/rti_wdt.c +++ b/drivers/watchdog/rti_wdt.c @@ -229,6 +229,7 @@ static int rti_wdt_probe(struct platform_device *pdev) ret = pm_runtime_get_sync(dev); if (ret) { pm_runtime_put_noidle(dev); + pm_runtime_disable(&pdev->dev); return dev_err_probe(dev, ret, "runtime pm failed\n"); }