watchdog: move the dereference below the NULL test

[cascardo/linux.git] / drivers / watchdog / watchdog_core.c

diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c
index 6aa46a9..3796434 100644 (file)
--- a/drivers/watchdog/watchdog_core.c
+++ b/drivers/watchdog/watchdog_core.c
@@ -128,11 +128,12 @@ EXPORT_SYMBOL_GPL(watchdog_register_device);
 void watchdog_unregister_device(struct watchdog_device *wdd)
 {
        int ret;
-       int devno = wdd->cdev.dev;
+       int devno;
 
        if (wdd == NULL)
                return;
 
+       devno = wdd->cdev.dev;
        ret = watchdog_dev_unregister(wdd);
        if (ret)
                pr_err("error unregistering /dev/watchdog (err=%d)\n", ret);