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Message-ID: <Y6wXX9X7TkpnoXZC@qemulion>
Date: Wed, 28 Dec 2022 15:45:59 +0530
From: Deepak R Varma <drv@...lo.com>
To: Nilesh Javali <njavali@...vell.com>,
Manish Rangankar <mrangankar@...vell.com>,
GR-QLogic-Storage-Upstream@...vell.com,
"James E.J. Bottomley" <jejb@...ux.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Saurabh Singh Sengar <ssengar@...rosoft.com>,
Praveen Kumar <kumarpraveen@...ux.microsoft.com>,
Deepak R Varma <drv@...lo.com>
Subject: Re: [PATCH] scsi: qla4xxx: Use sysfs_emit in show function callsbacks
On Tue, Dec 20, 2022 at 02:23:06AM +0530, Deepak R Varma wrote:
> On Sat, Dec 10, 2022 at 02:10:24PM +0530, Deepak R Varma wrote:
> > According to Documentation/filesystems/sysfs.rst, the show() callback
> > function of kobject attributes should strictly use sysfs_emit instead
> > of sprintf family functions.
> > Issue identified using the coccinelle device_attr_show.cocci script.
> >
> > Signed-off-by: Deepak R Varma <drv@...lo.com>
>
> Hello,
> May I please request a review and feedback on this patch?
Hello,
Requesting a review and feedback on this patch proposal please.
Thank you,
./drv
>
> Thank you,
> ./drv
>
> > ---
> > drivers/scsi/qla4xxx/ql4_attr.c | 32 ++++++++++++++++----------------
> > 1 file changed, 16 insertions(+), 16 deletions(-)
> >
> > diff --git a/drivers/scsi/qla4xxx/ql4_attr.c b/drivers/scsi/qla4xxx/ql4_attr.c
> > index abfa6ef60480..773b8dbe1121 100644
> > --- a/drivers/scsi/qla4xxx/ql4_attr.c
> > +++ b/drivers/scsi/qla4xxx/ql4_attr.c
> > @@ -156,11 +156,11 @@ qla4xxx_fw_version_show(struct device *dev,
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> >
> > if (is_qla80XX(ha))
> > - return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
> > + return sysfs_emit(buf, "%d.%02d.%02d (%x)\n",
> > ha->fw_info.fw_major, ha->fw_info.fw_minor,
> > ha->fw_info.fw_patch, ha->fw_info.fw_build);
> > else
> > - return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d.%02d\n",
> > + return sysfs_emit(buf, "%d.%02d.%02d.%02d\n",
> > ha->fw_info.fw_major, ha->fw_info.fw_minor,
> > ha->fw_info.fw_patch, ha->fw_info.fw_build);
> > }
> > @@ -170,7 +170,7 @@ qla4xxx_serial_num_show(struct device *dev, struct device_attribute *attr,
> > char *buf)
> > {
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> > - return snprintf(buf, PAGE_SIZE, "%s\n", ha->serial_number);
> > + return sysfs_emit(buf, "%s\n", ha->serial_number);
> > }
> >
> > static ssize_t
> > @@ -178,7 +178,7 @@ qla4xxx_iscsi_version_show(struct device *dev, struct device_attribute *attr,
> > char *buf)
> > {
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> > - return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fw_info.iscsi_major,
> > + return sysfs_emit(buf, "%d.%02d\n", ha->fw_info.iscsi_major,
> > ha->fw_info.iscsi_minor);
> > }
> >
> > @@ -187,7 +187,7 @@ qla4xxx_optrom_version_show(struct device *dev, struct device_attribute *attr,
> > char *buf)
> > {
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> > - return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d.%02d\n",
> > + return sysfs_emit(buf, "%d.%02d.%02d.%02d\n",
> > ha->fw_info.bootload_major, ha->fw_info.bootload_minor,
> > ha->fw_info.bootload_patch, ha->fw_info.bootload_build);
> > }
> > @@ -197,7 +197,7 @@ qla4xxx_board_id_show(struct device *dev, struct device_attribute *attr,
> > char *buf)
> > {
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> > - return snprintf(buf, PAGE_SIZE, "0x%08X\n", ha->board_id);
> > + return sysfs_emit(buf, "0x%08X\n", ha->board_id);
> > }
> >
> > static ssize_t
> > @@ -207,7 +207,7 @@ qla4xxx_fw_state_show(struct device *dev, struct device_attribute *attr,
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> >
> > qla4xxx_get_firmware_state(ha);
> > - return snprintf(buf, PAGE_SIZE, "0x%08X%8X\n", ha->firmware_state,
> > + return sysfs_emit(buf, "0x%08X%8X\n", ha->firmware_state,
> > ha->addl_fw_state);
> > }
> >
> > @@ -220,7 +220,7 @@ qla4xxx_phy_port_cnt_show(struct device *dev, struct device_attribute *attr,
> > if (is_qla40XX(ha))
> > return -ENOSYS;
> >
> > - return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_cnt);
> > + return sysfs_emit(buf, "0x%04X\n", ha->phy_port_cnt);
> > }
> >
> > static ssize_t
> > @@ -232,7 +232,7 @@ qla4xxx_phy_port_num_show(struct device *dev, struct device_attribute *attr,
> > if (is_qla40XX(ha))
> > return -ENOSYS;
> >
> > - return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_num);
> > + return sysfs_emit(buf, "0x%04X\n", ha->phy_port_num);
> > }
> >
> > static ssize_t
> > @@ -244,7 +244,7 @@ qla4xxx_iscsi_func_cnt_show(struct device *dev, struct device_attribute *attr,
> > if (is_qla40XX(ha))
> > return -ENOSYS;
> >
> > - return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->iscsi_pci_func_cnt);
> > + return sysfs_emit(buf, "0x%04X\n", ha->iscsi_pci_func_cnt);
> > }
> >
> > static ssize_t
> > @@ -253,7 +253,7 @@ qla4xxx_hba_model_show(struct device *dev, struct device_attribute *attr,
> > {
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> >
> > - return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_name);
> > + return sysfs_emit(buf, "%s\n", ha->model_name);
> > }
> >
> > static ssize_t
> > @@ -261,7 +261,7 @@ qla4xxx_fw_timestamp_show(struct device *dev, struct device_attribute *attr,
> > char *buf)
> > {
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> > - return snprintf(buf, PAGE_SIZE, "%s %s\n", ha->fw_info.fw_build_date,
> > + return sysfs_emit(buf, "%s %s\n", ha->fw_info.fw_build_date,
> > ha->fw_info.fw_build_time);
> > }
> >
> > @@ -270,7 +270,7 @@ qla4xxx_fw_build_user_show(struct device *dev, struct device_attribute *attr,
> > char *buf)
> > {
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> > - return snprintf(buf, PAGE_SIZE, "%s\n", ha->fw_info.fw_build_user);
> > + return sysfs_emit(buf, "%s\n", ha->fw_info.fw_build_user);
> > }
> >
> > static ssize_t
> > @@ -278,7 +278,7 @@ qla4xxx_fw_ext_timestamp_show(struct device *dev, struct device_attribute *attr,
> > char *buf)
> > {
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> > - return snprintf(buf, PAGE_SIZE, "%s\n", ha->fw_info.extended_timestamp);
> > + return sysfs_emit(buf, "%s\n", ha->fw_info.extended_timestamp);
> > }
> >
> > static ssize_t
> > @@ -300,7 +300,7 @@ qla4xxx_fw_load_src_show(struct device *dev, struct device_attribute *attr,
> > break;
> > }
> >
> > - return snprintf(buf, PAGE_SIZE, "%s\n", load_src);
> > + return sysfs_emit(buf, "%s\n", load_src);
> > }
> >
> > static ssize_t
> > @@ -309,7 +309,7 @@ qla4xxx_fw_uptime_show(struct device *dev, struct device_attribute *attr,
> > {
> > struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
> > qla4xxx_about_firmware(ha);
> > - return snprintf(buf, PAGE_SIZE, "%u.%u secs\n", ha->fw_uptime_secs,
> > + return sysfs_emit(buf, "%u.%u secs\n", ha->fw_uptime_secs,
> > ha->fw_uptime_msecs);
> > }
> >
> > --
> > 2.34.1
> >
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