[PATCH 2/5] Revert "nouveau/gsp/rm: cleanup IS_ERR_OR_NULL in core implementation"
From: Lyude Paul
Date: Thu May 28 2026 - 15:29:33 EST
This is probably too risky, see the discussion here:
https://lists.freedesktop.org/archives/dri-devel/2026-May/570353.html
This reverts commit 67346c90ce275e835e93a4a13041afee47bd3f9e.
Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/alloc.c | 4 ++--
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/alloc.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/alloc.c
index 27f275d2e1510..46e3a29f2ad7f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/alloc.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/alloc.c
@@ -35,7 +35,7 @@ r535_gsp_rpc_rm_free(struct nvkm_gsp_object *object)
client->object.handle, object->handle);
rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_FREE, sizeof(*rpc));
- if (WARN_ON(IS_ERR(rpc)))
+ if (WARN_ON(IS_ERR_OR_NULL(rpc)))
return -EIO;
rpc->params.hRoot = client->object.handle;
@@ -60,7 +60,7 @@ r535_gsp_rpc_rm_alloc_push(struct nvkm_gsp_object *object, void *params)
void *ret = NULL;
rpc = nvkm_gsp_rpc_push(gsp, rpc, NVKM_GSP_RPC_REPLY_RECV, sizeof(*rpc));
- if (IS_ERR(rpc))
+ if (IS_ERR_OR_NULL(rpc))
return rpc;
if (rpc->status) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c
index 41301f19729cf..3ca3de8f43408 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c
@@ -324,7 +324,7 @@ r535_gsp_msgq_recv(struct nvkm_gsp *gsp, u32 gsp_rpc_len, int *retries)
u32 size;
rpc = r535_gsp_msgq_peek(gsp, sizeof(*rpc), info.retries);
- if (IS_ERR(rpc)) {
+ if (IS_ERR_OR_NULL(rpc)) {
kvfree(buf);
return rpc;
}
@@ -333,7 +333,7 @@ r535_gsp_msgq_recv(struct nvkm_gsp *gsp, u32 gsp_rpc_len, int *retries)
info.continuation = true;
rpc = r535_gsp_msgq_recv_one_elem(gsp, &info);
- if (IS_ERR(rpc)) {
+ if (IS_ERR_OR_NULL(rpc)) {
kvfree(buf);
return rpc;
}
--
2.54.0