[PATCH 06/15] drm/amd/display: Remove redundant safeguards for dmub-srv destroy()

[Qingqing Zhuo]

From: Roman Li <roman.li at amd.com>

[Why]
dc_dmub_srv_destroy() has internal null-check and null assignment.
No need to duplicate them externally.

[How]
Remove redundant safeguards.

Signed-off-by: Lang Yu <Lang.Yu at amd.com>
Signed-off-by: Roman Li <roman.li at amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas at amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 40d119354509..9be4ebb5fac4 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1329,10 +1329,7 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
 	}
 #endif
 
-	if (adev->dm.dc->ctx->dmub_srv) {
-		dc_dmub_srv_destroy(&adev->dm.dc->ctx->dmub_srv);
-		adev->dm.dc->ctx->dmub_srv = NULL;
-	}
+	dc_dmub_srv_destroy(&adev->dm.dc->ctx->dmub_srv);
 
 	if (dc_enable_dmub_notifications(adev->dm.dc)) {
 		kfree(adev->dm.dmub_notify);
-- 
2.25.1