3c589_cs: Fix an error handling path in tc589_probe()

commit 640bf95b2c7c2981fb471acdafbd3e0458f8390d upstream.

Should tc589_config() fail, some resources need to be released as already
done in the remove function.

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>
Link: https://lore.kernel.org/r/d8593ae867b24c79063646e36f9b18b0790107cb.1684575975.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/3com/3c589_cs.c b/drivers/net/ethernet/3com/3c589_cs.c
index e28254a0059971c3432ea3726f35d8f831780e49..0c0bc3c178abe14124a1d50ba09ad16f3e4f366e 100644 (file)
--- a/drivers/net/ethernet/3com/3c589_cs.c
+++ b/drivers/net/ethernet/3com/3c589_cs.c
@@ -196,6 +196,7 @@ static int tc589_probe(struct pcmcia_device *link)
 {
        struct el3_private *lp;
        struct net_device *dev;
+       int ret;
 
        dev_dbg(&link->dev, "3c589_attach()\n");
 
@@ -219,7 +220,15 @@ static int tc589_probe(struct pcmcia_device *link)
 
        dev->ethtool_ops = &netdev_ethtool_ops;
 
-       return tc589_config(link);
+       ret = tc589_config(link);
+       if (ret)
+               goto err_free_netdev;
+
+       return 0;
+
+err_free_netdev:
+       free_netdev(dev);
+       return ret;
 }
 
 static void tc589_detach(struct pcmcia_device *link)