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authorMarc Kleine-Budde <mkl@pengutronix.de>2010-10-21 05:07:58 +0000
committerDavid S. Miller <davem@davemloft.net>2010-10-26 10:48:58 -0700
commit9a27586d3d5c3157260b055d057c6f4f6654c72c (patch)
tree27ac8230bde3a11881795acedc7b4c44671a8fbe
parent06d6e6d2e4ef61172f342fddeea5cfa465d81578 (diff)
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>
-rw-r--r--drivers/net/can/flexcan.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index ef443a090ba7..d4990568baee 100644
--- 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;
}