From: jsg <jsg@openbsd.org>
Date: Thu, 2 Feb 2023 04:21:45 +0000 (+0000)
Subject: drm/i915: Fix a memory leak with reused mmap_offset
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=a16ed2560ab738b5eea30f042a36192c5b065b10;p=openbsd

drm/i915: Fix a memory leak with reused mmap_offset

From Nirmoy Das
0bdc4b4ba7206c452ee81c82fa66e39d0e1780fb in linux-6.1.y/6.1.9
0220e4fe178c3390eb0291cdb34912d66972db8a in mainline linux
---

diff --git a/sys/dev/pci/drm/i915/gem/i915_gem_mman.c b/sys/dev/pci/drm/i915/gem/i915_gem_mman.c
index 3a462571b13..bae805b65bd 100644
--- a/sys/dev/pci/drm/i915/gem/i915_gem_mman.c
+++ b/sys/dev/pci/drm/i915/gem/i915_gem_mman.c
@@ -1038,7 +1038,7 @@ insert:
 	GEM_BUG_ON(lookup_mmo(obj, mmap_type) != mmo);
 out:
 	if (file)
-		drm_vma_node_allow(&mmo->vma_node, file);
+		drm_vma_node_allow_once(&mmo->vma_node, file);
 	return mmo;
 
 err: