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Date:   Thu, 6 Sep 2018 20:06:45 +0200 (CEST)
From:   Julia Lawall <julia.lawall@lip6.fr>
To:     Karol Herbst <karolherbst@gmail.com>
cc:     Ben Skeggs <bskeggs@redhat.com>,
        Martin Peres <martin.peres@free.fr>,
        David Airlie <airlied@linux.ie>,
        dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
        linux-kernel@vger.kernel.org, kbuild-all@01.org, nm@ti.com
Subject: [PATCH] drm/nouveau/debugfs: fix pm_runtime.cocci warnings
Message-ID: <alpine.DEB.2.20.1809062004110.3318@hadrien>
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From: kbuild test robot <fengguang.wu@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@gmail.com>
Signed-off-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@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);