From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/gpu/drm/panfrost/panfrost_drv.c | 27 ++++++++++++++++++---------
1 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/kernel/drivers/gpu/drm/panfrost/panfrost_drv.c b/kernel/drivers/gpu/drm/panfrost/panfrost_drv.c
index 1dfc457..4af25c0 100644
--- a/kernel/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/kernel/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -81,6 +81,7 @@
struct panfrost_gem_object *bo;
struct drm_panfrost_create_bo *args = data;
struct panfrost_gem_mapping *mapping;
+ int ret;
if (!args->size || args->pad ||
(args->flags & ~(PANFROST_BO_NOEXEC | PANFROST_BO_HEAP)))
@@ -91,21 +92,29 @@
!(args->flags & PANFROST_BO_NOEXEC))
return -EINVAL;
- bo = panfrost_gem_create_with_handle(file, dev, args->size, args->flags,
- &args->handle);
+ bo = panfrost_gem_create(dev, args->size, args->flags);
if (IS_ERR(bo))
return PTR_ERR(bo);
+ ret = drm_gem_handle_create(file, &bo->base.base, &args->handle);
+ if (ret)
+ goto out;
+
mapping = panfrost_gem_mapping_get(bo, priv);
- if (!mapping) {
- drm_gem_object_put(&bo->base.base);
- return -EINVAL;
+ if (mapping) {
+ args->offset = mapping->mmnode.start << PAGE_SHIFT;
+ panfrost_gem_mapping_put(mapping);
+ } else {
+ /* This can only happen if the handle from
+ * drm_gem_handle_create() has already been guessed and freed
+ * by user space
+ */
+ ret = -EINVAL;
}
- args->offset = mapping->mmnode.start << PAGE_SHIFT;
- panfrost_gem_mapping_put(mapping);
-
- return 0;
+out:
+ drm_gem_object_put(&bo->base.base);
+ return ret;
}
/**
--
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