Re: [PATCH] drm: change drm_err return type to void

From: Jani Nikula
Date: Tue Sep 23 2014 - 09:03:15 EST


On Mon, 22 Sep 2014, Joe Perches <joe@xxxxxxxxxxx> wrote:
> The return value is not used by callers of this function
> nor by uses of the DRM_ERROR macro so change the function
> to return void.
>
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>

Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>


> ---
> This change is associated to a desire to eventually
> change printk to return void.
>
> No x86 change in output size for drm_drv.o
>
> drivers/gpu/drm/drm_drv.c | 7 ++-----
> include/drm/drmP.h | 2 +-
> 2 files changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
> index 6a11902..8889f8e 100644
> --- a/drivers/gpu/drm/drm_drv.c
> +++ b/drivers/gpu/drm/drm_drv.c
> @@ -56,22 +56,19 @@ static struct idr drm_minors_idr;
> struct class *drm_class;
> static struct dentry *drm_debugfs_root;
>
> -int drm_err(const char *func, const char *format, ...)
> +void drm_err(const char *func, const char *format, ...)
> {
> struct va_format vaf;
> va_list args;
> - int r;
>
> va_start(args, format);
>
> vaf.fmt = format;
> vaf.va = &args;
>
> - r = printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* %pV", func, &vaf);
> + printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* %pV", func, &vaf);
>
> va_end(args);
> -
> - return r;
> }
> EXPORT_SYMBOL(drm_err);
>
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index 5c60d38..2163ccb 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -124,7 +124,7 @@ extern __printf(2, 3)
> void drm_ut_debug_printk(const char *function_name,
> const char *format, ...);
> extern __printf(2, 3)
> -int drm_err(const char *func, const char *format, ...);
> +void drm_err(const char *func, const char *format, ...);
>
> /***********************************************************************/
> /** \name DRM template customization defaults */
>
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

--
Jani Nikula, Intel Open Source Technology Center
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