drivers/gpu/drm/xe/xe_hw_engine_group.c | 28 ++++++------------------- 1 file changed, 6 insertions(+), 22 deletions(-)
From: Shuicheng Lin <shuicheng.lin@intel.com>
commit 4846856c3a4afa882b6d1b842ed2fad6f3781f4d upstream.
Memory allocated with drmm_kzalloc() should not be freed using
kfree(), as it is managed by the DRM subsystem. The memory will
be automatically freed when the associated drm_device is released.
These 3 group pointers are allocated using drmm_kzalloc() in
hw_engine_group_alloc(), so they don't require manual deallocation.
Fixes: 67979060740f ("drm/xe/hw_engine_group: Fix potential leak")
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://lore.kernel.org/r/20250724193854.1124510-2-shuicheng.lin@intel.com
(cherry picked from commit f98de826b418885a21ece67f0f5b921ae759b7bf)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Mikhail Dmitrichenko <mdmitrichenko@astralinux.ru>
---
drivers/gpu/drm/xe/xe_hw_engine_group.c | 28 ++++++-------------------
1 file changed, 6 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_hw_engine_group.c b/drivers/gpu/drm/xe/xe_hw_engine_group.c
index 82750520a90a..d0f1bf32cdd5 100644
--- a/drivers/gpu/drm/xe/xe_hw_engine_group.c
+++ b/drivers/gpu/drm/xe/xe_hw_engine_group.c
@@ -84,25 +84,18 @@ int xe_hw_engine_setup_groups(struct xe_gt *gt)
enum xe_hw_engine_id id;
struct xe_hw_engine_group *group_rcs_ccs, *group_bcs, *group_vcs_vecs;
struct xe_device *xe = gt_to_xe(gt);
- int err;
group_rcs_ccs = hw_engine_group_alloc(xe);
- if (IS_ERR(group_rcs_ccs)) {
- err = PTR_ERR(group_rcs_ccs);
- goto err_group_rcs_ccs;
- }
+ if (IS_ERR(group_rcs_ccs))
+ return PTR_ERR(group_rcs_ccs);
group_bcs = hw_engine_group_alloc(xe);
- if (IS_ERR(group_bcs)) {
- err = PTR_ERR(group_bcs);
- goto err_group_bcs;
- }
+ if (IS_ERR(group_bcs))
+ return PTR_ERR(group_bcs);
group_vcs_vecs = hw_engine_group_alloc(xe);
- if (IS_ERR(group_vcs_vecs)) {
- err = PTR_ERR(group_vcs_vecs);
- goto err_group_vcs_vecs;
- }
+ if (IS_ERR(group_vcs_vecs))
+ return PTR_ERR(group_vcs_vecs);
for_each_hw_engine(hwe, gt, id) {
switch (hwe->class) {
@@ -125,15 +118,6 @@ int xe_hw_engine_setup_groups(struct xe_gt *gt)
}
return 0;
-
-err_group_vcs_vecs:
- kfree(group_vcs_vecs);
-err_group_bcs:
- kfree(group_bcs);
-err_group_rcs_ccs:
- kfree(group_rcs_ccs);
-
- return err;
}
/**
--
2.39.2
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