* [PATCH AUTOSEL 4.14 33/37] drm/nouveau/debugfs: Fix check of pm_runtime_get_sync failure
[not found] <20190330005441.27540-1-sashal@kernel.org>
@ 2019-03-30 0:54 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2019-03-30 0:54 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Sasha Levin, nouveau, YueHaibing, Ben Skeggs, dri-devel
From: YueHaibing <yuehaibing@huawei.com>
[ Upstream commit 909e9c9c428376e2a43d178ed4b0a2d5ba9cb7d3 ]
pm_runtime_get_sync returns negative on failure.
Fixes: eaeb9010bb4b ("drm/nouveau/debugfs: Wake up GPU before doing any reclocking")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/nouveau/nouveau_debugfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 9109b69cd052..9635704a1d86 100644
--- 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 *file, const char __user *ubuf,
}
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);
--
2.19.1
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