On Tue, Feb 16, 2016 at 8:30 AM, Toshi Kani <toshi.kani@xxxxxxx> wrote:
> The pmem driver calls devm_memremap() to map a persistent memory
> range. When the pmem driver is unloaded, this memremap'd range
> is not released.
>
> Fix devm_memremap_release() to handle a given memremap'd address
> properly.
>
> Signed-off-by: Toshi Kani <toshi.kani@xxxxxxx>
> Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> ---
> kernel/memremap.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/memremap.c b/kernel/memremap.c
> index 2c468de..7a1b5c3 100644
> --- a/kernel/memremap.c
> +++ b/kernel/memremap.c
> @@ -114,7 +114,7 @@ EXPORT_SYMBOL(memunmap);
>
> static void devm_memremap_release(struct device *dev, void *res)
> {
> - memunmap(res);
> + memunmap(*(void **)res);
> }
Ugh, yup. Thanks Toshi!
Acked-by: Dan Williams <dan.j.williams@xxxxxxxxx>
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