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SubjectRe: [PATCH] Fixes: 9697dffb098d ("drm: Turn off Legacy Context Functions")
On Wed, Jun 17, 2015 at 02:03:47PM -0600, Eddie Kovsky wrote:
> Commit 9697dffb098d ("drm: Turn off Legacy Context Functions")
> added checks for legacy features to several functions in the
> drm driver. It is now possible for the void functions changed by
> this commit to return an int error code. This patch updates
> the function definitions to return int. This fixes the build warnings:
>
> warning: ‘return’ with a value, in function returning void
> return -EINVAL
>
> Signed-off-by: Eddie Kovsky <ewk@edkovsky.org>

Oops sorry, I spotted this while applying but somehow screwed up and still
pushed out the patch. Dropped it now for real.

Thanks, Daniel

> ---
> drivers/gpu/drm/drm_context.c | 12 +++++++++---
> drivers/gpu/drm/drm_legacy.h | 6 +++---
> 2 files changed, 12 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c
> index f3ea657f6574..3c2f4a76f934 100644
> --- a/drivers/gpu/drm/drm_context.c
> +++ b/drivers/gpu/drm/drm_context.c
> @@ -51,7 +51,7 @@ struct drm_ctx_list {
> * in drm_device::ctx_idr, while holding the drm_device::struct_mutex
> * lock.
> */
> -void drm_legacy_ctxbitmap_free(struct drm_device * dev, int ctx_handle)
> +int drm_legacy_ctxbitmap_free(struct drm_device * dev, int ctx_handle)
> {
> if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
> drm_core_check_feature(dev, DRIVER_MODESET))
> @@ -60,6 +60,8 @@ void drm_legacy_ctxbitmap_free(struct drm_device * dev, int ctx_handle)
> mutex_lock(&dev->struct_mutex);
> idr_remove(&dev->ctx_idr, ctx_handle);
> mutex_unlock(&dev->struct_mutex);
> +
> + return 0;
> }
>
> /**
> @@ -107,7 +109,7 @@ int drm_legacy_ctxbitmap_init(struct drm_device * dev)
> * Free all idr members using drm_ctx_sarea_free helper function
> * while holding the drm_device::struct_mutex lock.
> */
> -void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev)
> +int drm_legacy_ctxbitmap_cleanup(struct drm_device * dev)
> {
> if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
> drm_core_check_feature(dev, DRIVER_MODESET))
> @@ -116,6 +118,8 @@ void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev)
> mutex_lock(&dev->struct_mutex);
> idr_destroy(&dev->ctx_idr);
> mutex_unlock(&dev->struct_mutex);
> +
> + return 0;
> }
>
> /**
> @@ -127,7 +131,7 @@ void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev)
> * @file. Note that after this call returns, new contexts might be added if
> * the file is still alive.
> */
> -void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
> +int drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
> {
> struct drm_ctx_list *pos, *tmp;
>
> @@ -150,6 +154,8 @@ void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
> }
>
> mutex_unlock(&dev->ctxlist_mutex);
> +
> + return 0;
> }
>
> /*@}*/
> diff --git a/drivers/gpu/drm/drm_legacy.h b/drivers/gpu/drm/drm_legacy.h
> index c1dc61473db5..26c16220e475 100644
> --- a/drivers/gpu/drm/drm_legacy.h
> +++ b/drivers/gpu/drm/drm_legacy.h
> @@ -43,9 +43,9 @@ struct drm_file;
> #define DRM_RESERVED_CONTEXTS 1
>
> int drm_legacy_ctxbitmap_init(struct drm_device *dev);
> -void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
> -void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
> -void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
> +int drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
> +int drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
> +int drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
>
> int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f);
> int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f);
> --
> 2.4.3
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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