From: Michal Wajdeczko Date: Tue, 5 Jun 2018 12:05:47 +0000 (+0000) Subject: drm/i915/guc: Don't leak stage descriptor pool on init failure X-Git-Tag: v4.19-rc1~28^2~46^2~5 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=70be8b3dab43497718a2260f1daf47d378815d90;p=uclinux-h8%2Flinux.git drm/i915/guc: Don't leak stage descriptor pool on init failure In case of failure during GuC clients creation, we forget to cleanup earlier pool allocation. Use proper teardown to fix that. Signed-off-by: Michal Wajdeczko Cc: Daniele Ceraolo Spurio Cc: Chris Wilson Cc: Michal Winiarski Reviewed-by: Daniele Ceraolo Spurio Signed-off-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20180605120547.16468-1-michal.wajdeczko@intel.com --- diff --git a/drivers/gpu/drm/i915/intel_guc_submission.c b/drivers/gpu/drm/i915/intel_guc_submission.c index 133367a17863..23e9f2023bc5 100644 --- a/drivers/gpu/drm/i915/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/intel_guc_submission.c @@ -1157,7 +1157,7 @@ int intel_guc_submission_init(struct intel_guc *guc) WARN_ON(!guc_verify_doorbells(guc)); ret = guc_clients_create(guc); if (ret) - return ret; + goto err_pool; for_each_engine(engine, dev_priv, id) { guc->preempt_work[id].engine = engine; @@ -1166,6 +1166,9 @@ int intel_guc_submission_init(struct intel_guc *guc) return 0; +err_pool: + guc_stage_desc_pool_destroy(guc); + return ret; } void intel_guc_submission_fini(struct intel_guc *guc)