From: Michel Dänzer <michel.daenzer@xxxxxxx>
The property size may be controlled by userspace, can be large (I've
seen failure with order 4, i.e. 16 pages / 64 KB) and doesn't need to be
physically contiguous.
Signed-off-by: Michel Dänzer <michel.daenzer@xxxxxxx>
---
drivers/gpu/drm/drm_property.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_property.c b/drivers/gpu/drm/drm_property.c
index 1f8031e30f53..cdb10f885a4f 100644
--- a/drivers/gpu/drm/drm_property.c
+++ b/drivers/gpu/drm/drm_property.c
@@ -532,7 +532,7 @@ static void drm_property_free_blob(struct kref *kref)
drm_mode_object_unregister(blob->dev, &blob->base);
- kfree(blob);
+ kvfree(blob);
}
/**
@@ -559,7 +559,7 @@ drm_property_create_blob(struct drm_device *dev, size_t length,
if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob))
return ERR_PTR(-EINVAL);
- blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
+ blob = kvzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
if (!blob)
return ERR_PTR(-ENOMEM);
@@ -576,7 +576,7 @@ drm_property_create_blob(struct drm_device *dev, size_t length,
ret = __drm_mode_object_add(dev, &blob->base, DRM_MODE_OBJECT_BLOB,
true, drm_property_free_blob);
if (ret) {
- kfree(blob);
+ kvfree(blob);
return ERR_PTR(-EINVAL);
}
--
2.18.0
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