net-next: ax88796: release platform device drvdata on probe error and module remove

The net device struct pointer is stored as platform device drvdata on
module probe - clear the drvdata entry on probe fail there, as well as
when unloading the module.

Signed-off-by: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c
index 229279f..2a0ddec 100644 (file)
--- a/drivers/net/ethernet/8390/ax88796.c
+++ b/drivers/net/ethernet/8390/ax88796.c
@@ -826,6 +826,7 @@ static int ax_remove(struct platform_device *pdev)
                release_mem_region(mem->start, resource_size(mem));
        }
 
+       platform_set_drvdata(pdev, NULL);
        free_netdev(dev);
 
        return 0;
@@ -959,6 +960,7 @@ static int ax_probe(struct platform_device *pdev)
        release_mem_region(mem->start, mem_size);
 
  exit_mem:
+       platform_set_drvdata(pdev, NULL);
        free_netdev(dev);
 
        return ret;