[PATCH 02/14] drm/exynos: remove function convert_to_vm_err_msg

[Inki Dae]

On 2015년 07월 28일 17:53, Joonyoung Shim wrote:
> The convert_to_vm_err_msg is called just once by exynos_drm_gem_fault,
> so it's simple not to use the function.
> 
> Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
> ---
>  drivers/gpu/drm/exynos/exynos_drm_gem.c | 33 +++++++++------------------------
>  1 file changed, 9 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
> index d320acd..752cb7c 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
> @@ -20,29 +20,6 @@
>  #include "exynos_drm_buf.h"
>  #include "exynos_drm_iommu.h"
>  
> -static unsigned int convert_to_vm_err_msg(int msg)
> -{
> -	unsigned int out_msg;
> -
> -	switch (msg) {
> -	case 0:
> -	case -ERESTARTSYS:
> -	case -EINTR:
> -		out_msg = VM_FAULT_NOPAGE;
> -		break;
> -
> -	case -ENOMEM:
> -		out_msg = VM_FAULT_OOM;
> -		break;
> -
> -	default:
> -		out_msg = VM_FAULT_SIGBUS;
> -		break;
> -	}
> -
> -	return out_msg;
> -}
> -
>  static int check_gem_flags(unsigned int flags)
>  {
>  	if (flags & ~(EXYNOS_BO_MASK)) {
> @@ -600,7 +577,15 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
>  
>  	mutex_unlock(&dev->struct_mutex);
>  
> -	return convert_to_vm_err_msg(ret);
> +	switch (ret) {
> +	case 0:
> +	case -ERESTARTSYS:

You missed -EINTR but I can modify it.

Thanks,
Inki Dae

> +		return VM_FAULT_NOPAGE;
> +	case -ENOMEM:
> +		return VM_FAULT_OOM;
> +	default:
> +		return VM_FAULT_SIGBUS;
> +	}
>  }
>  
>  int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
>