From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Change drm_mode_object_get() to return -ENOMEM if idr_pre_get() fails,
and also handle -ENOSPC from idr_get_new_above().
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_crtc.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 12333ca..8f66a15 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -227,7 +227,7 @@ static int drm_mode_object_get(struct drm_device *dev,
do {
if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
DRM_ERROR("Ran out memory getting a mode number\n");
- return -EINVAL;
+ return -ENOMEM;
}
mutex_lock(&dev->mode_config.idr_mutex);
@@ -236,6 +236,9 @@ static int drm_mode_object_get(struct drm_device *dev,
mutex_unlock(&dev->mode_config.idr_mutex);
} while (ret == -EAGAIN);
+ if (ret)
+ return ret;
+
obj->id = new_id;
obj->type = obj_type;
return 0;
--
1.7.3.4
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