On 16/02/16 16:18, Jyri Sarha wrote:
> Allocate suspend/resume register storage based on the actual number
> registers the driver is aware of. The static allocation for register
> storage had falen behind badly.
"fallen"
>
> Reported-by: Michael Bode <michael@xxxxxxxxxx>
> Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
> ---
> drivers/gpu/drm/tilcdc/tilcdc_drv.c | 21 ++++++++++++++++++++-
> drivers/gpu/drm/tilcdc/tilcdc_drv.h | 2 +-
> 2 files changed, 21 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> index 893ef18..ab1789b 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> @@ -141,11 +141,14 @@ static int tilcdc_unload(struct drm_device *dev)
>
> pm_runtime_disable(dev->dev);
>
> + kfree(priv->saved_register);
> kfree(priv);
>
> return 0;
> }
>
> +static size_t tilcdc_num_regs(void);
> +
> static int tilcdc_load(struct drm_device *dev, unsigned long flags)
> {
> struct platform_device *pdev = dev->platformdev;
> @@ -157,7 +160,12 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
> int ret;
>
> priv = kzalloc(sizeof(*priv), GFP_KERNEL);
> - if (!priv) {
> + if (priv)
> + priv->saved_register = kcalloc(tilcdc_num_regs(),
> + sizeof(*priv->saved_register),
> + GFP_KERNEL);
devm_kzalloc() would clean this up a bit. For both 'priv' and
'saved_registers'.
Tomi
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