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authorMiaoqian Lin <linmq006@gmail.com>2022-04-12 09:08:23 +0200
committerWim Van Sebroeck <wim@linux-watchdog.org>2022-05-21 10:09:28 +0200
commitb3ac0c58fa8934926360268f3d89ec7680644d7b (patch)
tree018c608c359e492ae90c338157a242ca2039322c /drivers/watchdog/rti_wdt.c
parentdt-bindings: watchdog: Add SC8180X and SC8280XP compatibles (diff)
downloadlinux-b3ac0c58fa8934926360268f3d89ec7680644d7b.tar.xz
linux-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>
Diffstat (limited to 'drivers/watchdog/rti_wdt.c')
-rw-r--r--drivers/watchdog/rti_wdt.c2
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");