[PATCH -next] drm/ast: simplify the return expression of ast_* function

[Liu Shixin]

Simplify the return expression.

Signed-off-by: Liu Shixin <liushix...@huawei.com>
---
 drivers/gpu/drm/ast/ast_drv.c  | 7 +------
 drivers/gpu/drm/ast/ast_mode.c | 7 +------
 2 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index f0b4af1c390a..a2a3f32260f9 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -160,15 +160,10 @@ static int ast_drm_thaw(struct drm_device *dev)
 
 static int ast_drm_resume(struct drm_device *dev)
 {
-       int ret;
-
        if (pci_enable_device(dev->pdev))
                return -EIO;
 
-       ret = ast_drm_thaw(dev);
-       if (ret)
-               return ret;
-       return 0;
+       return ast_drm_thaw(dev);
 }
 
 static int ast_pm_suspend(struct device *dev)
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 834a156e3a75..4dca4ff01d41 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -636,18 +636,13 @@ ast_cursor_plane_helper_prepare_fb(struct drm_plane 
*plane,
        struct drm_framebuffer *fb = new_state->fb;
        struct drm_crtc *crtc = new_state->crtc;
        struct ast_private *ast;
-       int ret;
 
        if (!crtc || !fb)
                return 0;
 
        ast = to_ast_private(plane->dev);
 
-       ret = ast_cursor_blit(ast, fb);
-       if (ret)
-               return ret;
-
-       return 0;
+       return ast_cursor_blit(ast, fb);
 }
 
 static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane,
-- 
2.25.1