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drm/amd/amdgpu: fix refcount leak 

[ Upstream commit fa7e6abc75f3d491bc561734312d065dc9dc2a77 ]

[Why]
the gem object rfb->base.obj[0] is get according to num_planes
in amdgpufb_create, but is not put according to num_planes

[How]
put rfb->base.obj[0] in amdgpu_fbdev_destroy according to num_planes

Signed-off-by: Jingwen Chen <Jingwen.Chen2@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jingwen Chen 2021-05-17 16:16:10 +08:00 committed by Greg Kroah-Hartman
parent f6d92ebb3e
commit dde2656e0b
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
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@ -289,10 +289,13 @@ out:
static int amdgpu_fbdev_destroy(struct drm_device *dev, struct amdgpu_fbdev *rfbdev)
{
struct amdgpu_framebuffer *rfb = &rfbdev->rfb;
int i;
drm_fb_helper_unregister_fbi(&rfbdev->helper);
if (rfb->base.obj[0]) {
for (i = 0; i < rfb->base.format->num_planes; i++)
drm_gem_object_put(rfb->base.obj[0]);
amdgpufb_destroy_pinned_object(rfb->base.obj[0]);
rfb->base.obj[0] = NULL;
drm_framebuffer_unregister_private(&rfb->base);