Nouveau - Sep 2018 - [PATCH] drm/nouveau/debugfs: fix pm_runtime.cocci warnings

From: kbuild test robot <fengguang.wu at intel.com>

pm_runtime_get_sync returns < 0 as error. Unecessary IS_ERR_VALUE at line 164

Generated by: scripts/coccinelle/api/pm_runtime.cocci

Fixes: eaeb9010bb4b ("drm/nouveau/debugfs: Wake up GPU before doing any
reclocking")
CC: Karol Herbst <karolherbst at gmail.com>
Signed-off-by: kbuild test robot <fengguang.wu at intel.com>
Signed-off-by: Julia Lawall <julia.lawall at lip6.fr>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head:   b36fdc6853a38a6f8749897a33435635019e0647
commit: eaeb9010bb4bcdc20e58254fa42f3fe730a7f908 drm/nouveau/debugfs: Wake up
GPU before doing any reclocking
:::::: branch date: 21 hours ago
:::::: commit date: 7 weeks ago

 nouveau_debugfs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -161,7 +161,7 @@ nouveau_debugfs_pstate_set(struct file *
 	}

 	ret = pm_runtime_get_sync(drm->dev);
-	if (IS_ERR_VALUE(ret) && ret != -EACCES)
+	if (ret < 0 && ret != -EACCES)
 		return ret;
 	ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args));
 	pm_runtime_put_autosuspend(drm->dev);