[PATCH v2 5/7] drm/pan*: don't abuse current->group_leader
From: Oleg Nesterov <oleg@redhat.com>
Date: 2026-01-25 16:07:58
Also in:
amd-gfx, dri-devel, linux-rdma, lkml
Subsystem:
arm mali panfrost drm driver, arm mali panthor drm driver, drm drivers, drm drivers and misc gpu patches, the rest · Maintainers:
Boris Brezillon, Rob Herring, Steven Price, Adrián Larumbe, Liviu Dudau, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Linus Torvalds
Cleanup and preparation to simplify the next changes.
Use current->tgid instead of current->group_leader->pid.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Steven Price <steven.price@arm.com>
---
drivers/gpu/drm/panfrost/panfrost_gem.c | 2 +-
drivers/gpu/drm/panthor/panthor_gem.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c
index 8041b65c6609..1ff1f2c8b726 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gem.c
@@ -17,7 +17,7 @@
static void panfrost_gem_debugfs_bo_add(struct panfrost_device *pfdev,
struct panfrost_gem_object *bo)
{
- bo->debugfs.creator.tgid = current->group_leader->pid;
+ bo->debugfs.creator.tgid = current->tgid;
get_task_comm(bo->debugfs.creator.process_name, current->group_leader);
mutex_lock(&pfdev->debugfs.gems_lock);diff --git a/drivers/gpu/drm/panthor/panthor_gem.c b/drivers/gpu/drm/panthor/panthor_gem.c
index fbde78db270a..29cc57efc4b9 100644
--- a/drivers/gpu/drm/panthor/panthor_gem.c
+++ b/drivers/gpu/drm/panthor/panthor_gem.c
@@ -27,7 +27,7 @@ static void panthor_gem_debugfs_bo_add(struct panthor_gem_object *bo)
struct panthor_device *ptdev = container_of(bo->base.base.dev,
struct panthor_device, base);
- bo->debugfs.creator.tgid = current->group_leader->pid;
+ bo->debugfs.creator.tgid = current->tgid;
get_task_comm(bo->debugfs.creator.process_name, current->group_leader);
mutex_lock(&ptdev->gems.lock);
--
2.52.0