Messages in this thread Patch in this message | | | From | Julia Lawall <> | Subject | [PATCH] gpio: max730x: eliminate double free | Date | Sat, 26 Sep 2015 22:18:20 +0200 |
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The function __max730x_remove is called from the remove functions of drivers/gpio/gpio-max7300.c and drivers/gpio/gpio-max7301.c. In both cases, the probe function allocates ts using devm_kzalloc. Explicitly freeing such a value with kfree will cause a double free.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
--- drivers/gpio/gpio-max730x.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/gpio/gpio-max730x.c b/drivers/gpio/gpio-max730x.c index 18ab89e..0f57d2d 100644 --- a/drivers/gpio/gpio-max730x.c +++ b/drivers/gpio/gpio-max730x.c @@ -236,7 +236,6 @@ int __max730x_remove(struct device *dev) ts->write(dev, 0x04, 0x00); gpiochip_remove(&ts->chip); mutex_destroy(&ts->lock); - kfree(ts); return 0; } EXPORT_SYMBOL_GPL(__max730x_remove);
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