On Fri, Dec 07, 2012 at 12:15:24AM +0100, Julia Lawall (julia.law...@lip6.fr)
wrote:
> From: Julia Lawall <julia.law...@lip6.fr>
>
> The various devm_ functions allocate memory that is released when a driver
> detaches. This patch uses these functions for data that is allocated in
> the probe function of a platform device and is only freed in the remove
> function.
>
> At the same time, this fixes two faults. First, mdev, the result of
> kzalloc, was never freed. Second, on failure of ioremap, 0 was returned.
> This has been replaced by -EBUSY, which was the failure value for the call
> to request_mem_region, with which the call to ioremap has been combined.
>
> The warning message on failure of ioremap is dropped, because
> devm_request_and_ioremap already gives such messages on failure.
>
> Finally, the initial call to platform_get_resource is moved closer to the
> call to devm_request_and_ioremap, which takes care of checking whether its
> result is NULL, implying that a test on the result of this call to
> platform_get_resource is not needed.
>
> Signed-off-by: Julia Lawall <julia.law...@lip6.fr>
Looks good. Greg, please pull both patches into your tree.
Thank you.
Acked-by: Evgeniy Polyakov <z...@ioremap.net>
--
Evgeniy Polyakov
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
