diff --git a/sys/dev/drm/amd/amdgpu/amdgpu_gfx.c b/sys/dev/drm/amd/amdgpu/amdgpu_gfx.c
--- a/sys/dev/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/sys/dev/drm/amd/amdgpu/amdgpu_gfx.c
@@ -296,11 +296,13 @@
 
 	memset(hpd, 0, hpd_size);
 
-	r = amdgpu_bo_reserve(kiq->eop_obj, true);
-	if (unlikely(r != 0))
-		dev_warn(adev->dev, "(%d) reserve kiq eop bo failed\n", r);
-	amdgpu_bo_kunmap(kiq->eop_obj);
-	amdgpu_bo_unreserve(kiq->eop_obj);
+	r = amdgpu_bo_reserve(kiq->eop_obj, true);
+	if (unlikely(r != 0)) {
+		dev_warn(adev->dev, "(%d) reserve kiq eop bo failed\n", r);
+	} else {
+		amdgpu_bo_kunmap(kiq->eop_obj);
+		amdgpu_bo_unreserve(kiq->eop_obj);
+	}
 
 	return 0;
 }