Messages in this thread | | | Date | Tue, 14 Nov 2023 09:54:55 -0800 | Subject | Re: [PATCH v2] scsi: ufs: core: fix racing issue during ufshcd_mcq_abort | From | Bart Van Assche <> |
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On 11/13/23 20:37, SEO HOYOUNG wrote: > diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c > index 9a730a794b66..55f4c0eeda7b 100644 > --- a/drivers/ufs/core/ufshcd.c > +++ b/drivers/ufs/core/ufshcd.c > @@ -7574,6 +7574,10 @@ int ufshcd_try_to_abort_task(struct ufs_hba *hba, int tag) > goto out; > } > > + if (!ufshcd_cmd_inflight(lrbp->cmd) || > + test_bit(SCMD_STATE_COMPLETE, &lrbp->cmd->state)) > + goto out; > + > err = ufshcd_clear_cmd(hba, tag); > if (err) > dev_err(hba->dev, "%s: Failed clearing cmd at tag %d, err %d\n",
The UFS driver must not set SCMD_STATE_COMPLETE itself. Only the SCSI core is allowed to set that bit.
Thanks,
Bart.
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