The assignment "dst = map;" in the drm_fbdev_generic_damage_blit() function
is redundant because it has already been copied when the call to
drm_client_buffer_vmap() is finished. Therefore, this patch saves a useless
copy. No functional change.

Signed-off-by: Sui Jingfeng <suijingf...@loongson.cn>
---
 drivers/gpu/drm/drm_fbdev_generic.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_fbdev_generic.c 
b/drivers/gpu/drm/drm_fbdev_generic.c
index 98ae703848a0..aa6924e3a58c 100644
--- a/drivers/gpu/drm/drm_fbdev_generic.c
+++ b/drivers/gpu/drm/drm_fbdev_generic.c
@@ -182,7 +182,7 @@ static int drm_fbdev_generic_damage_blit(struct 
drm_fb_helper *fb_helper,
                                         struct drm_clip_rect *clip)
 {
        struct drm_client_buffer *buffer = fb_helper->buffer;
-       struct iosys_map map, dst;
+       struct iosys_map map;
        int ret;
 
        /*
@@ -202,8 +202,7 @@ static int drm_fbdev_generic_damage_blit(struct 
drm_fb_helper *fb_helper,
        if (ret)
                goto out;
 
-       dst = map;
-       drm_fbdev_generic_damage_blit_real(fb_helper, clip, &dst);
+       drm_fbdev_generic_damage_blit_real(fb_helper, clip, &map);
 
        drm_client_buffer_vunmap(buffer);
 
-- 
2.25.1

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