wifi: ray_cs: Fix an error handling path in ray_probe()
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Sat, 20 May 2023 08:13:22 +0000 (10:13 +0200)
committerKalle Valo <kvalo@kernel.org>
Thu, 25 May 2023 16:17:29 +0000 (19:17 +0300)
Should ray_config() fail, some resources need to be released as already
done in the remove function.

While at it, remove a useless and erroneous comment. The probe is
ray_probe(), not ray_attach().

Fixes: 15b99ac17295 ("[PATCH] pcmcia: add return value to _config() functions")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/8c544d18084f8b37dd108e844f7e79e85ff708ff.1684570373.git.christophe.jaillet@wanadoo.fr
drivers/net/wireless/legacy/ray_cs.c

index 1f57a00..38782d4 100644 (file)
@@ -270,13 +270,14 @@ static int ray_probe(struct pcmcia_device *p_dev)
 {
        ray_dev_t *local;
        struct net_device *dev;
+       int ret;
 
        dev_dbg(&p_dev->dev, "ray_attach()\n");
 
        /* Allocate space for private device-specific data */
        dev = alloc_etherdev(sizeof(ray_dev_t));
        if (!dev)
-               goto fail_alloc_dev;
+               return -ENOMEM;
 
        local = netdev_priv(dev);
        local->finder = p_dev;
@@ -313,11 +314,16 @@ static int ray_probe(struct pcmcia_device *p_dev)
        timer_setup(&local->timer, NULL, 0);
 
        this_device = p_dev;
-       return ray_config(p_dev);
+       ret = ray_config(p_dev);
+       if (ret)
+               goto err_free_dev;
+
+       return 0;
 
-fail_alloc_dev:
-       return -ENOMEM;
-} /* ray_attach */
+err_free_dev:
+       free_netdev(dev);
+       return ret;
+}
 
 static void ray_detach(struct pcmcia_device *link)
 {