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drm/xe/drm_ras: Make counter allocation drm managed

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cleanup_node_param() is not registered for previous node in case of counter
allocation failure, which results in stale memory of previous node that
isn't cleaned up on unwind. Fix this using drm managed allocation, which is
guaranteed to be cleaned up on unwind.

Fixes: b40db12b54 ("drm/xe/xe_drm_ras: Add support for XE DRM RAS")
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Link: https://patch.msgid.link/20260602044919.702209-3-raag.jadav@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
(cherry picked from commit 58d77c77ea0c5cb2b755ebe23e973c8272acd896)
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
This commit is contained in:
Raag Jadav
2026-06-02 10:18:42 +05:30
committed by Matthew Brost
parent 68938cc08e
commit 4dcfcdc9fb
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/xe/xe_drm_ras.c
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@@ -52,7 +52,7 @@ static struct xe_drm_ras_counter *allocate_and_copy_counters(struct xe_device *x
struct xe_drm_ras_counter *counter;
int i;
counter = kcalloc(DRM_XE_RAS_ERR_COMP_MAX, sizeof(*counter), GFP_KERNEL);
counter = drmm_kcalloc(&xe->drm, DRM_XE_RAS_ERR_COMP_MAX, sizeof(*counter), GFP_KERNEL);
if (!counter)
return ERR_PTR(-ENOMEM);
@@ -104,7 +104,6 @@ static void cleanup_node_param(struct xe_drm_ras *ras, const enum drm_xe_ras_err
{
struct drm_ras_node *node = &ras->node[severity];
kfree(ras->info[severity]);
ras->info[severity] = NULL;
kfree(node->device_name);