diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2024-04-04 07:43:16 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2024-04-04 07:43:16 +0000 |
| commit | 767e77fce1f9ef6b6fdba0745b626d16c5562f1e (patch) | |
| tree | cc2736307ef84b8bae6ee25fd2a847c850793031 | |
| parent | ab0fc7a66e37d96ea389e4314da55553965d1421 (diff) | |
drm/i915: Check before removing mm notifier
From Nirmoy Das
a30c36bc0cfc32ec3662408e6a5cdf8a809fde51 in linux-6.6.y/6.6.24
01bb1ae35006e473138c90711bad1a6b614a1823 in mainline linux
| -rw-r--r-- | sys/dev/pci/drm/i915/gem/i915_gem_userptr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/dev/pci/drm/i915/gem/i915_gem_userptr.c b/sys/dev/pci/drm/i915/gem/i915_gem_userptr.c index 505ff3071bc..94deec64b13 100644 --- a/sys/dev/pci/drm/i915/gem/i915_gem_userptr.c +++ b/sys/dev/pci/drm/i915/gem/i915_gem_userptr.c @@ -379,6 +379,9 @@ i915_gem_userptr_release(struct drm_i915_gem_object *obj) { GEM_WARN_ON(obj->userptr.page_ref); + if (!obj->userptr.notifier.mm) + return; + mmu_interval_notifier_remove(&obj->userptr.notifier); obj->userptr.notifier.mm = NULL; } |