[PATCH] fs: fs.c fix cast

Sascha Hauer s.hauer at pengutronix.de
Tue Sep 11 03:20:09 EDT 2012


On Tue, Sep 11, 2012 at 07:31:31AM +0200, Alexander Aring wrote:
> Fix casting on min argument, to avoid warnings on 64bit build.
> 
> Signed-off-by: Alexander Aring <alex.aring at gmail.com>

Applied, thanks

Sascha

> ---
>  fs/fs.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/fs.c b/fs/fs.c
> index 38917bf..db4621a 100644
> --- a/fs/fs.c
> +++ b/fs/fs.c
> @@ -1525,7 +1525,9 @@ ssize_t mem_read(struct cdev *cdev, void *buf, size_t count, loff_t offset, ulon
>  		return -1;
>  	dev = cdev->dev;
>  
> -	size = min((loff_t)count, resource_size(&dev->resource[0]) - offset);
> +	size = min((resource_size_t)count,
> +			resource_size(&dev->resource[0]) -
> +			(resource_size_t)offset);
>  	memcpy_sz(buf, dev_get_mem_region(dev, 0) + offset, size, flags & O_RWSIZE_MASK);
>  	return size;
>  }
> @@ -1540,7 +1542,9 @@ ssize_t mem_write(struct cdev *cdev, const void *buf, size_t count, loff_t offse
>  		return -1;
>  	dev = cdev->dev;
>  
> -	size = min((loff_t)count, resource_size(&dev->resource[0]) - offset);
> +	size = min((resource_size_t)count,
> +			resource_size(&dev->resource[0]) -
> +			(resource_size_t)offset);
>  	memcpy_sz(dev_get_mem_region(dev, 0) + offset, buf, size, flags & O_RWSIZE_MASK);
>  	return size;
>  }
> -- 
> 1.7.12
> 
> 
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