diff options
| author | Nirmoy Das <nirmoy.das@intel.com> | 2024-08-26 18:20:35 +0200 |
|---|---|---|
| committer | Nirmoy Das <nirmoy.das@intel.com> | 2024-08-30 11:38:53 +0200 |
| commit | c5f728de696caa35481fd84202dfbc9fecc18e0b (patch) | |
| tree | 98c8a285eb109e9933cce583194b88a905349714 | |
| parent | 2bd87f0fc24ae29ead9808d341497f465b339c0a (diff) | |
drm/xe: Fix memory leak on xe_alloc_pf_queue failure
Simplify memory unwinding on error also fixing current memory
leak that can happen on error.
v2: use devm_kcalloc(Matt A)
Fixes: 3338e4f90c14 ("drm/xe: Use topology to determine page fault queue size")
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Stuart Summers <stuart.summers@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240826162035.20462-1-nirmoy.das@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_pagefault.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c index 0be4687bfc20..730eec07795e 100644 --- a/drivers/gpu/drm/xe/xe_gt_pagefault.c +++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c @@ -388,20 +388,17 @@ static void pagefault_fini(void *arg) { struct xe_gt *gt = arg; struct xe_device *xe = gt_to_xe(gt); - int i; if (!xe->info.has_usm) return; destroy_workqueue(gt->usm.acc_wq); destroy_workqueue(gt->usm.pf_wq); - - for (i = 0; i < NUM_PF_QUEUE; ++i) - kfree(gt->usm.pf_queue[i].data); } static int xe_alloc_pf_queue(struct xe_gt *gt, struct pf_queue *pf_queue) { + struct xe_device *xe = gt_to_xe(gt); xe_dss_mask_t all_dss; int num_dss, num_eus; @@ -417,7 +414,8 @@ static int xe_alloc_pf_queue(struct xe_gt *gt, struct pf_queue *pf_queue) (num_eus + XE_NUM_HW_ENGINES) * PF_MSG_LEN_DW; pf_queue->gt = gt; - pf_queue->data = kcalloc(pf_queue->num_dw, sizeof(u32), GFP_KERNEL); + pf_queue->data = devm_kcalloc(xe->drm.dev, pf_queue->num_dw, + sizeof(u32), GFP_KERNEL); if (!pf_queue->data) return -ENOMEM; |