linux-kernel - Re: Fwd: [PATCH] scsi: be2iscsi: wacom: convert sysfs sprintf/snprintf family to sysfs

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <ZLgl6EsMeFKCGQ62@rhel-developer-toolbox-latest>
Date:   Wed, 19 Jul 2023 11:05:28 -0700
From:   Chris Leech <cleech@...hat.com>
To:     hanyu001@...suo.com
Cc:     jejb@...ux.ibm.com, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Fwd: [PATCH] scsi: be2iscsi: wacom: convert sysfs
 sprintf/snprintf family to sysfs_emit

On Fri, Jul 14, 2023 at 04:10:43PM +0800, hanyu001@...suo.com wrote:
> Fix the following coccicheck warning:
> 
> ./drivers/hid/wacom_sys.c:1828:8-16: WARNING: use scnprintf or sprintf.
> 
> ./drivers/scsi/be2iscsi/be_mgmt.c:1251:9-17: WARNING: use scnprintf or
> sprintf
> ./drivers/scsi/be2iscsi/be_mgmt.c:1145:8-16: WARNING: use scnprintf or
> sprintf
> ./drivers/scsi/be2iscsi/be_mgmt.c:1164:8-16: WARNING: use scnprintf or
> sprintf
> ./drivers/scsi/be2iscsi/be_mgmt.c:1280:8-16: WARNING: use scnprintf or
> sprintf
> 
> Signed-off-by: ztt <1549089851@...com>
> ---
>  drivers/scsi/be2iscsi/be_mgmt.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

The changes here to scnprintf don't match the subject, which mentions
sysfs_emit.  It would be better to convert to sysfs_emit.

- Chris Leech

> 
> diff --git a/drivers/scsi/be2iscsi/be_mgmt.c
> b/drivers/scsi/be2iscsi/be_mgmt.c
> index 4e899ec1477d..4916ce9c36a6 100644
> --- a/drivers/scsi/be2iscsi/be_mgmt.c
> +++ b/drivers/scsi/be2iscsi/be_mgmt.c
> @@ -1142,7 +1142,7 @@ ssize_t
>  beiscsi_drvr_ver_disp(struct device *dev, struct device_attribute *attr,
>                 char *buf)
>  {
> -    return snprintf(buf, PAGE_SIZE, BE_NAME "\n");
> +    return scnprintf(buf, PAGE_SIZE, BE_NAME "\n");
>  }
> 
>  /**
> @@ -1161,7 +1161,7 @@ beiscsi_fw_ver_disp(struct device *dev, struct
> device_attribute *attr,
>      struct Scsi_Host *shost = class_to_shost(dev);
>      struct beiscsi_hba *phba = iscsi_host_priv(shost);
> 
> -    return snprintf(buf, PAGE_SIZE, "%s\n", phba->fw_ver_str);
> +    return scnprintf(buf, PAGE_SIZE, "%s\n", phba->fw_ver_str);
>  }
> 
>  /**
> @@ -1248,7 +1248,7 @@ beiscsi_adap_family_disp(struct device *dev, struct
> device_attribute *attr,
>      case BE_DEVICE_ID1:
>      case OC_DEVICE_ID1:
>      case OC_DEVICE_ID2:
> -        return snprintf(buf, PAGE_SIZE,
> +        return scnprintf(buf, PAGE_SIZE,
>                  "Obsolete/Unsupported BE2 Adapter Family\n");
>      case BE_DEVICE_ID2:
>      case OC_DEVICE_ID3:
> @@ -1277,7 +1277,7 @@ beiscsi_phys_port_disp(struct device *dev, struct
> device_attribute *attr,
>      struct Scsi_Host *shost = class_to_shost(dev);
>      struct beiscsi_hba *phba = iscsi_host_priv(shost);
> 
> -    return snprintf(buf, PAGE_SIZE, "Port Identifier : %u\n",
> +    return scnprintf(buf, PAGE_SIZE, "Port Identifier : %u\n",
>              phba->fw_config.phys_port);
>  }