drm/sis|via: don't return stack garbage from free_mem ioctl

Fallout from my "kill drm_sman" refactor. Unfortunately gcc seems to
have failed me and not warned about this.

Tested-by: Jakob Bornecrantz <wallbraker@gmail.com> (on via)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>

2 files changed, 2 insertions, 4 deletions

diff --git a/drivers/gpu/drm/sis/sis_mm.c b/drivers/gpu/drm/sis/sis_mm.c
index 46cb2bce6cc5..dd4a316c3d74 100644
--- a/drivers/gpu/drm/sis/sis_mm.c
+++ b/drivers/gpu/drm/sis/sis_mm.c
@@ -172,7 +172,6 @@ static int sis_drm_free(struct drm_device *dev, void *data, struct drm_file *fil
         drm_sis_private_t *dev_priv = dev->dev_private;
         drm_sis_mem_t *mem = data;
         struct sis_memblock *obj;
-        int ret;
 
         mutex_lock(&dev->struct_mutex);
         obj = idr_find(&dev_priv->object_idr, mem->free);
@@ -193,7 +192,7 @@ static int sis_drm_free(struct drm_device *dev, void *data, struct drm_file *fil
         mutex_unlock(&dev->struct_mutex);
         DRM_DEBUG("free = 0x%lx\n", mem->free);
 
-        return ret;
+        return 0;
 }
 
 static int sis_fb_alloc(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/via/via_mm.c b/drivers/gpu/drm/via/via_mm.c
index bedb23d2ece0..a3574d09a07d 100644
--- a/drivers/gpu/drm/via/via_mm.c
+++ b/drivers/gpu/drm/via/via_mm.c
@@ -189,7 +189,6 @@ int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
         drm_via_private_t *dev_priv = dev->dev_private;
         drm_via_mem_t *mem = data;
         struct via_memblock *obj;
-        int ret;
 
         mutex_lock(&dev->struct_mutex);
         obj = idr_find(&dev_priv->object_idr, mem->index);
@@ -206,7 +205,7 @@ int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
 
         DRM_DEBUG("free = 0x%lx\n", mem->index);
 
-        return ret;
+        return 0;
 }