A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Merge "Revert "block: Fix use-after-free while iterating over requests""

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qctecmdr 2020-12-21 22:00:26 -08:00 • committed by Gerrit - the friendly Code Review server
commit 41dc53c83f
2 changed files with 1 additions and 2 deletions
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1
block/blk-mq.c
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@ -497,7 +497,6 @@ static void __blk_mq_free_request(struct request *rq)
const int sched_tag = rq->internal_tag;
blk_pm_mark_last_busy(rq);
hctx->tags->rqs[rq->tag] = NULL;
rq->mq_hctx = NULL;
if (rq->tag != -1)
blk_mq_put_tag(hctx, hctx->tags, ctx, rq->tag);

2
block/blk-mq.h
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@ -209,7 +209,6 @@ static inline bool blk_mq_get_dispatch_budget(struct blk_mq_hw_ctx *hctx)
static inline void __blk_mq_put_driver_tag(struct blk_mq_hw_ctx *hctx,
struct request *rq)
{
hctx->tags->rqs[rq->tag] = NULL;
blk_mq_put_tag(hctx, hctx->tags, rq->mq_ctx, rq->tag);
rq->tag = -1;
@ -223,6 +222,7 @@ static inline void blk_mq_put_driver_tag(struct request *rq)
{
if (rq->tag == -1 || rq->internal_tag == -1)
return;
__blk_mq_put_driver_tag(rq->mq_hctx, rq);
}