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drm/xe: fix error handling in xe_migrate_update_pgtables

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Don't call drm_suballoc_free with sa_bo pointing to PTR_ERR.

References: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2120
Fixes: dd08ebf6c3 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240620102025.127699-2-matthew.auld@intel.com
This commit is contained in:
Matthew Auld 2024-06-20 11:20:26 +01:00
parent 406d058dc3
commit ce6b63336f
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/xe/xe_migrate.c
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@ -1358,7 +1358,7 @@ xe_migrate_update_pgtables(struct xe_migrate *m,
GFP_KERNEL, true, 0);
if (IS_ERR(sa_bo)) {
err = PTR_ERR(sa_bo);
goto err;
goto err_bb;
}
ppgtt_ofs = NUM_KERNEL_PDE +
@ -1406,7 +1406,7 @@ xe_migrate_update_pgtables(struct xe_migrate *m,
update_idx);
if (IS_ERR(job)) {
err = PTR_ERR(job);
goto err_bb;
goto err_sa;
}
/* Wait on BO move */
@ -1458,10 +1458,10 @@ xe_migrate_update_pgtables(struct xe_migrate *m,
err_job:
xe_sched_job_put(job);
err_sa:
drm_suballoc_free(sa_bo, NULL);
err_bb:
xe_bb_free(bb, NULL);
err:
drm_suballoc_free(sa_bo, NULL);
return ERR_PTR(err);
}