drm/rockchip: Drop unbalanced obj unref

[ Upstream commit 8ee3b0e85f6ccd9e6c527bc50eaba774c3bb18d0 ]

In the error path, rockchip_drm_gem_object_mmap() is dropping an obj
reference that it doesn't own.

Fixes: 41315b793e13 ("drm/rockchip: use drm_gem_mmap helpers")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230119231734.2884543-1-robdclark@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index 6edb7c52cb3dc73650ab4645bd280a901b28c7d0..19b46c00dcbfd76a5655692d2ded92d27685f9cc 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
@@ -262,9 +262,6 @@ static int rockchip_drm_gem_object_mmap(struct drm_gem_object *obj,
        else
                ret = rockchip_drm_gem_object_mmap_dma(obj, vma);
 
-       if (ret)
-               drm_gem_vm_close(vma);
-
        return ret;
 }