Messages in this thread Patch in this message | | | From | Kangjie Lu <> | Subject | [PATCH] gpu: v3d: fix a missing check of pm_runtime_get_sync | Date | Sun, 24 Mar 2019 18:16:02 -0500 |
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pm_runtime_get_sync could fail and thus deserves a check.
The patch adds such a check and return its error code upstream if it indeed failed.
Signed-off-by: Kangjie Lu <kjlu@umn.edu> --- drivers/gpu/drm/v3d/v3d_drv.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index f0afcec72c34..99daad11fac2 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -101,6 +101,8 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data, return -EINVAL; ret = pm_runtime_get_sync(v3d->dev); + if (ret < 0) + return ret; if (args->param >= DRM_V3D_PARAM_V3D_CORE0_IDENT0 && args->param <= DRM_V3D_PARAM_V3D_CORE0_IDENT2) { args->value = V3D_CORE_READ(0, offset); -- 2.17.1
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