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Subject[PATCH] watchdog: Check dev_set_name() return value
Date
It's possible that dev_set_name() returns -ENOMEM, catch and handle this.

Signed-off-by: Bo Liu <liubo03@inspur.com>
---
drivers/watchdog/watchdog_dev.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index 54903f3c851e..744b2ab75288 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -1015,7 +1015,11 @@ static int watchdog_cdev_register(struct watchdog_device *wdd)
wd_data->dev.groups = wdd->groups;
wd_data->dev.release = watchdog_core_data_release;
dev_set_drvdata(&wd_data->dev, wdd);
- dev_set_name(&wd_data->dev, "watchdog%d", wdd->id);
+ err = dev_set_name(&wd_data->dev, "watchdog%d", wdd->id);
+ if (err) {
+ put_device(&wd_data->dev);
+ return err;
+ }

kthread_init_work(&wd_data->work, watchdog_ping_work);
hrtimer_init(&wd_data->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
--
2.27.0
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