diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index fe682e0553b2..4b1be0bb6ac0 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -590,7 +590,7 @@ static ssize_t store_dev_name(struct device *dev,
 {
 	struct kim_data_s *kim_data = dev_get_drvdata(dev);
 	pr_debug("storing dev name >%s<", buf);
-	strncpy(kim_data->dev_name, buf, count);
+	strscpy(kim_data->dev_name, buf, sizeof(kim_data->dev_name));
 	pr_debug("stored dev name >%s<", kim_data->dev_name);
 	return count;
 }
@@ -751,7 +751,8 @@ static int kim_probe(struct platform_device *pdev)
 	}
 
 	/* copying platform data */
-	strncpy(kim_gdata->dev_name, pdata->dev_name, UART_DEV_NAME_LEN);
+	strscpy(kim_gdata->dev_name, pdata->dev_name,
+		sizeof(kim_gdata->dev_name));
 	kim_gdata->flow_cntrl = pdata->flow_cntrl;
 	kim_gdata->baud_rate = pdata->baud_rate;
 	pr_info("sysfs entries created\n");