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| author | Miaoqian Lin <linmq006@gmail.com> | 2022-04-12 07:08:23 +0000 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2022-05-21 10:09:28 +0200 |
| commit | b3ac0c58fa8934926360268f3d89ec7680644d7b (patch) | |
| tree | 018c608c359e492ae90c338157a242ca2039322c | |
| parent | 26d14b9fc341893e862f17ab7db4543d5a530327 (diff) | |
| download | lwn-b3ac0c58fa8934926360268f3d89ec7680644d7b.tar.gz lwn-b3ac0c58fa8934926360268f3d89ec7680644d7b.zip | |
watchdog: rti-wdt: Fix pm_runtime_get_sync() error checking
If the device is already in a runtime PM enabled state
pm_runtime_get_sync() will return 1, so a test for negative
value should be used to check for errors.
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/20220412070824.23708-1-linmq006@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
| -rw-r--r-- | drivers/watchdog/rti_wdt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c index 35f3c396a2ff..053ef3bde12d 100644 --- a/drivers/watchdog/rti_wdt.c +++ b/drivers/watchdog/rti_wdt.c @@ -226,7 +226,7 @@ static int rti_wdt_probe(struct platform_device *pdev) pm_runtime_enable(dev); ret = pm_runtime_get_sync(dev); - if (ret) { + if (ret < 0) { pm_runtime_put_noidle(dev); pm_runtime_disable(&pdev->dev); return dev_err_probe(dev, ret, "runtime pm failed\n"); |