On Wed, 18 Dec 2013 10:48:07 +0900, Jingoo Han wrote:
> Use devm_request_region() to make cleanup paths simpler.
> 
> Signed-off-by: Jingoo Han <[email protected]>
> ---
> Changes since V1:
> - Remove unnecessary 'res' variable from smbus_sch_remove().
> 
>  drivers/i2c/busses/i2c-isch.c |    7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c
> index 8c38aaa..af21304 100644
> --- a/drivers/i2c/busses/i2c-isch.c
> +++ b/drivers/i2c/busses/i2c-isch.c
> @@ -275,7 +275,8 @@ static int smbus_sch_probe(struct platform_device *dev)
>       if (!res)
>               return -EBUSY;
>  
> -     if (!request_region(res->start, resource_size(res), dev->name)) {
> +     if (!devm_request_region(&dev->dev, res->start, resource_size(res),
> +                              dev->name)) {
>               dev_err(&dev->dev, "SMBus region 0x%x already in use!\n",
>                       sch_smba);
>               return -EBUSY;
> @@ -294,7 +295,6 @@ static int smbus_sch_probe(struct platform_device *dev)
>       retval = i2c_add_adapter(&sch_adapter);
>       if (retval) {
>               dev_err(&dev->dev, "Couldn't register adapter!\n");
> -             release_region(res->start, resource_size(res));
>               sch_smba = 0;
>       }
>  
> @@ -303,11 +303,8 @@ static int smbus_sch_probe(struct platform_device *dev)
>  
>  static int smbus_sch_remove(struct platform_device *pdev)
>  {
> -     struct resource *res;
>       if (sch_smba) {
>               i2c_del_adapter(&sch_adapter);
> -             res = platform_get_resource(pdev, IORESOURCE_IO, 0);
> -             release_region(res->start, resource_size(res));
>               sch_smba = 0;
>       }
>  

Reviewed-by: Jean Delvare <[email protected]>

-- 
Jean Delvare
--
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