linux-kernel - RE: [PATCH v2 2/6] ufs: ufs_bsg: Cleanup ufs_bsg

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <DM6PR04MB657526124CB8A463C1093CB4FC0D9@DM6PR04MB6575.namprd04.prod.outlook.com>
Date:   Tue, 22 Nov 2022 07:51:43 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Bean Huo <beanhuo@...pp.de>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "bvanassche@....org" <bvanassche@....org>,
        "tomas.winkler@...el.com" <tomas.winkler@...el.com>,
        "daejun7.park@...sung.com" <daejun7.park@...sung.com>,
        "quic_cang@...cinc.com" <quic_cang@...cinc.com>,
        "quic_nguyenb@...cinc.com" <quic_nguyenb@...cinc.com>,
        "quic_xiaosenh@...cinc.com" <quic_xiaosenh@...cinc.com>,
        "quic_richardp@...cinc.com" <quic_richardp@...cinc.com>,
        "quic_asutoshd@...cinc.com" <quic_asutoshd@...cinc.com>,
        "hare@...e.de" <hare@...e.de>
CC:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 2/6] ufs: ufs_bsg: Cleanup ufs_bsg_request

> 
> From: Bean Huo <beanhuo@...ron.com>
> 
> Move sg_copy_from_buffer() below its associated case statement.
> 
> Signed-off-by: Bean Huo <beanhuo@...ron.com>
Reviewed-by: Avri Altman <avri.altman@....com>

> ---
>  drivers/ufs/core/ufs_bsg.c | 27 ++++++++-------------------
>  1 file changed, 8 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/ufs/core/ufs_bsg.c b/drivers/ufs/core/ufs_bsg.c index
> 9ac8204f1ee6..850a0d798f63 100644
> --- a/drivers/ufs/core/ufs_bsg.c
> +++ b/drivers/ufs/core/ufs_bsg.c
> @@ -90,11 +90,8 @@ static int ufs_bsg_request(struct bsg_job *job)
>                 desc_op = bsg_request->upiu_req.qr.opcode;
>                 ret = ufs_bsg_alloc_desc_buffer(hba, job, &desc_buff,
>                                                 &desc_len, desc_op);
> -               if (ret) {
> -                       ufshcd_rpm_put_sync(hba);
> +               if (ret)
>                         goto out;
> -               }
> -
>                 fallthrough;
>         case UPIU_TRANSACTION_NOP_OUT:
>         case UPIU_TRANSACTION_TASK_REQ:
> @@ -102,9 +99,12 @@ static int ufs_bsg_request(struct bsg_job *job)
>                                                &bsg_reply->upiu_rsp, msgcode,
>                                                desc_buff, &desc_len, desc_op);
>                 if (ret)
> -                       dev_err(hba->dev,
> -                               "exe raw upiu: error code %d\n", ret);
> -
> +                       dev_err(hba->dev, "exe raw upiu: error code %d\n", ret);
> +               else if (desc_op == UPIU_QUERY_OPCODE_READ_DESC && desc_len)
> +                       bsg_reply->reply_payload_rcv_len =
> +                               sg_copy_from_buffer(job->request_payload.sg_list,
> +                                                   job->request_payload.sg_cnt,
> +                                                   desc_buff,
> + desc_len);
>                 break;
>         case UPIU_TRANSACTION_UIC_CMD:
>                 memcpy(&uc, &bsg_request->upiu_req.uc, UIC_CMD_SIZE); @@ -
> 123,20 +123,9 @@ static int ufs_bsg_request(struct bsg_job *job)
>                 break;
>         }
> 
> +out:
>         ufshcd_rpm_put_sync(hba);
> -
> -       if (!desc_buff)
> -               goto out;
> -
> -       if (desc_op == UPIU_QUERY_OPCODE_READ_DESC && desc_len)
> -               bsg_reply->reply_payload_rcv_len =
> -                       sg_copy_from_buffer(job->request_payload.sg_list,
> -                                           job->request_payload.sg_cnt,
> -                                           desc_buff, desc_len);
> -
>         kfree(desc_buff);
> -
> -out:
>         bsg_reply->result = ret;
>         job->reply_len = sizeof(struct ufs_bsg_reply);
>         /* complete the job here only if no error */
> --
> 2.25.1