[PATCH 4/5] Revert "nouveau/gsp: cleanup IS_ERR_OR_NULL in rpc_rd"

[Lyude Paul]

This is probably much too risky. See the discussion here:

  https://lists.freedesktop.org/archives/dri-devel/2026-May/570353.html

This reverts commit 47f15f6cf068c14d1a5054066c445bee23f6047e.

Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx>
---
 drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
index d771134fa4107..ab2bd88eebce5 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
@@ -293,7 +293,7 @@ nvkm_gsp_rpc_rd(struct nvkm_gsp *gsp, u32 fn, u32 argc)
 {
 	void *argv = nvkm_gsp_rpc_get(gsp, fn, argc);
 
-	if (IS_ERR(argv))
+	if (IS_ERR_OR_NULL(argv))
 		return argv;
 
 	return nvkm_gsp_rpc_push(gsp, argv, NVKM_GSP_RPC_REPLY_RECV, argc);
-- 
2.54.0