can: flexcan: fix use after free of priv

The priv is part of the memory allocated by alloc_candev().
This patch moved the free it after last usage of priv.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index ef443a0..d499056 100644 (file)
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -992,7 +992,6 @@ static int __devexit flexcan_remove(struct platform_device *pdev)
 
        unregister_flexcandev(dev);
        platform_set_drvdata(pdev, NULL);
-       free_candev(dev);
        iounmap(priv->base);
 
        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -1000,6 +999,8 @@ static int __devexit flexcan_remove(struct platform_device *pdev)
 
        clk_put(priv->clk);
 
+       free_candev(dev);
+
        return 0;
 }