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SubjectRe: [PATCH 1/3] power/ab8500_charger: harden platform data check
Hi Anton,

I see that this didn't make it into any of the v3.4-rc:s, hence v3.4 was
released broken. Do you know when they're likely to make it into Mainline?

Kind regards,
Lee

> - - - -
> commit 2aac3de19b72608f474c90034185c2be4908728f
> Author: Lee Jones<lee.jones@linaro.org>
> Date: Sat May 5 04:38:19 2012 -0700
>
> ab8500: Clean up probe routines
>
> These patches clean up some ugliness and brings the variable
> initialisation formatting more into line with other drivers.
>
> Signed-off-by: Lee Jones<lee.jones@linaro.org>
> Signed-off-by: Anton Vorontsov<anton.vorontsov@linaro.org>
>
> diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
> index e266f03..bba3cca 100644
> --- a/drivers/power/ab8500_btemp.c
> +++ b/drivers/power/ab8500_btemp.c
> @@ -964,10 +964,15 @@ static int __devinit ab8500_btemp_probe(struct platform_device *pdev)
> {
> int irq, i, ret = 0;
> u8 val;
> - struct abx500_bm_plat_data *plat_data;
> + struct abx500_bm_plat_data *plat_data = pdev->dev.platform_data;
> + struct ab8500_btemp *di;
> +
> + if (!plat_data) {
> + dev_err(&pdev->dev, "No platform data\n");
> + return -EINVAL;
> + }
>
> - struct ab8500_btemp *di =
> - kzalloc(sizeof(struct ab8500_btemp), GFP_KERNEL);
> + di = kzalloc(sizeof(*di), GFP_KERNEL);
> if (!di)
> return -ENOMEM;
>
> @@ -977,13 +982,12 @@ static int __devinit ab8500_btemp_probe(struct platform_device *pdev)
> di->gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
>
> /* get btemp specific platform data */
> - plat_data = pdev->dev.platform_data;
> - if (!plat_data || !plat_data->btemp) {
> + di->pdata = plat_data->btemp;
> + if (!di->pdata) {
> dev_err(di->dev, "no btemp platform data supplied\n");
> ret = -EINVAL;
> goto free_device_info;
> }
> - di->pdata = plat_data->btemp;
>
> /* get battery specific platform data */
> di->bat = plat_data->battery;
> diff --git a/drivers/power/ab8500_charger.c b/drivers/power/ab8500_charger.c
> index 79dc584..d2303d0 100644
> --- a/drivers/power/ab8500_charger.c
> +++ b/drivers/power/ab8500_charger.c
> @@ -2534,10 +2534,15 @@ static int __devexit ab8500_charger_remove(struct platform_device *pdev)
> static int __devinit ab8500_charger_probe(struct platform_device *pdev)
> {
> int irq, i, charger_status, ret = 0;
> - struct abx500_bm_plat_data *plat_data;
> + struct abx500_bm_plat_data *plat_data = pdev->dev.platform_data;
> + struct ab8500_charger *di;
>
> - struct ab8500_charger *di =
> - kzalloc(sizeof(struct ab8500_charger), GFP_KERNEL);
> + if (!plat_data) {
> + dev_err(&pdev->dev, "No platform data\n");
> + return -EINVAL;
> + }
> +
> + di = kzalloc(sizeof(*di), GFP_KERNEL);
> if (!di)
> return -ENOMEM;
>
> @@ -2550,13 +2555,12 @@ static int __devinit ab8500_charger_probe(struct platform_device *pdev)
> spin_lock_init(&di->usb_state.usb_lock);
>
> /* get charger specific platform data */
> - plat_data = pdev->dev.platform_data;
> - if (!plat_data || !plat_data->charger) {
> + di->pdata = plat_data->charger;
> + if (!di->pdata) {
> dev_err(di->dev, "no charger platform data supplied\n");
> ret = -EINVAL;
> goto free_device_info;
> }
> - di->pdata = plat_data->charger;
>
> /* get battery specific platform data */
> di->bat = plat_data->battery;
> diff --git a/drivers/power/ab8500_fg.c b/drivers/power/ab8500_fg.c
> index 0ebea39..bf02225 100644
> --- a/drivers/power/ab8500_fg.c
> +++ b/drivers/power/ab8500_fg.c
> @@ -2446,10 +2446,15 @@ static int __devinit ab8500_fg_probe(struct platform_device *pdev)
> {
> int i, irq;
> int ret = 0;
> - struct abx500_bm_plat_data *plat_data;
> + struct abx500_bm_plat_data *plat_data = pdev->dev.platform_data;
> + struct ab8500_fg *di;
> +
> + if (!plat_data) {
> + dev_err(&pdev->dev, "No platform data\n");
> + return -EINVAL;
> + }
>
> - struct ab8500_fg *di =
> - kzalloc(sizeof(struct ab8500_fg), GFP_KERNEL);
> + di = kzalloc(sizeof(*di), GFP_KERNEL);
> if (!di)
> return -ENOMEM;
>
> @@ -2461,13 +2466,12 @@ static int __devinit ab8500_fg_probe(struct platform_device *pdev)
> di->gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
>
> /* get fg specific platform data */
> - plat_data = pdev->dev.platform_data;
> - if (!plat_data || !plat_data->fg) {
> + di->pdata = plat_data->fg;
> + if (!di->pdata) {
> dev_err(di->dev, "no fg platform data supplied\n");
> ret = -EINVAL;
> goto free_device_info;
> }
> - di->pdata = plat_data->fg;
>
> /* get battery specific platform data */
> di->bat = plat_data->battery;


--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
M: +44 77 88 633 515
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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