rfkill: gpio: fix memory leak in probe error path
authorJohan Hovold <johan@kernel.org>
Thu, 26 Apr 2018 07:31:52 +0000 (09:31 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 May 2018 08:08:43 +0000 (10:08 +0200)
commit 4bf01ca21e2e0e4561d1a03c48c3d740418702db upstream.

Make sure to free the rfkill device in case registration fails during
probe.

Fixes: 5e7ca3937fbe ("net: rfkill: gpio: convert to resource managed allocation")
Cc: stable <stable@vger.kernel.org> # 3.13
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/rfkill/rfkill-gpio.c

index 76c01cbd56e35b209bf5e2599298471263f14ded..d6d8b34c5f22e874c767c0271a9bd7abe3d3a120 100644 (file)
@@ -138,13 +138,18 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
 
        ret = rfkill_register(rfkill->rfkill_dev);
        if (ret < 0)
-               return ret;
+               goto err_destroy;
 
        platform_set_drvdata(pdev, rfkill);
 
        dev_info(&pdev->dev, "%s device registered.\n", rfkill->name);
 
        return 0;
+
+err_destroy:
+       rfkill_destroy(rfkill->rfkill_dev);
+
+       return ret;
 }
 
 static int rfkill_gpio_remove(struct platform_device *pdev)