[PATCH] drm/nouveau/volt: Move assignment outside if condition

[sunran001 at 208suo.com]

Fixes the following checkpatch errors:

ERROR: do not use assignment in if condition

Signed-off-by: Ran Sun <sunran001 at 208suo.com>
---
  drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c 
b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c
index a17a6dd8d3de..d1ae98a42e34 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c
@@ -321,7 +321,8 @@ int
  nvkm_volt_new_(const struct nvkm_volt_func *func, struct nvkm_device 
*device,
             enum nvkm_subdev_type type, int inst, struct nvkm_volt 
**pvolt)
  {
-    if (!(*pvolt = kzalloc(sizeof(**pvolt), GFP_KERNEL)))
+    *pvolt = kzalloc(sizeof(**pvolt), GFP_KERNEL);
+    if (!*pvolt)
          return -ENOMEM;
      nvkm_volt_ctor(func, device, type, inst, *pvolt);
      return 0;