| Message ID | 20240116045151.3940401-20-lizhijian@fujitsu.com |
|---|---|
| State | New |
| Headers | show |
| Series | Fix coccicheck warnings | expand |
On Monday, January 15, 2024 8:52 PM, Li Zhijian <lizhijian@fujitsu.com> wrote: > > Per filesystems/sysfs.rst, show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. > > coccinelle complains that there are still a couple of functions that use snprintf(). Convert them to sysfs_emit(). > > > ./drivers/scsi/fnic/fnic_attrs.c:17:8-16: WARNING: please use > > sysfs_emit > > ./drivers/scsi/fnic/fnic_attrs.c:23:8-16: WARNING: please use > > sysfs_emit > > ./drivers/scsi/fnic/fnic_attrs.c:31:8-16: WARNING: please use > > sysfs_emit > > No functional change intended > > CC: Satish Kharat <satishkh@cisco.com> > CC: Sesidhar Baddela <sebaddel@cisco.com> > CC: Karan Tilak Kumar <kartilak@cisco.com> > CC: "James E.J. Bottomley" <jejb@linux.ibm.com> > CC: "Martin K. Petersen" <martin.petersen@oracle.com> > CC: linux-scsi@vger.kernel.org > Signed-off-by: Li Zhijian <lizhijian@fujitsu.com> > --- > drivers/scsi/fnic/fnic_attrs.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/scsi/fnic/fnic_attrs.c b/drivers/scsi/fnic/fnic_attrs.c index a61e0c5e6506..0c5e57c7e322 100644 > --- a/drivers/scsi/fnic/fnic_attrs.c > +++ b/drivers/scsi/fnic/fnic_attrs.c > @@ -14,13 +14,13 @@ static ssize_t fnic_show_state(struct device *dev, > struct fc_lport *lp = shost_priv(class_to_shost(dev)); > struct fnic *fnic = lport_priv(lp); > > - return snprintf(buf, PAGE_SIZE, "%s\n", fnic_state_str[fnic->state]); > + return sysfs_emit(buf, "%s\n", fnic_state_str[fnic->state]); > } > > static ssize_t fnic_show_drv_version(struct device *dev, > struct device_attribute *attr, char *buf) { > - return snprintf(buf, PAGE_SIZE, "%s\n", DRV_VERSION); > + return sysfs_emit(buf, "%s\n", DRV_VERSION); > } > > static ssize_t fnic_show_link_state(struct device *dev, @@ -28,8 +28,7 @@ static ssize_t fnic_show_link_state(struct device *dev, { > struct fc_lport *lp = shost_priv(class_to_shost(dev)); > > - return snprintf(buf, PAGE_SIZE, "%s\n", (lp->link_up) > - ? "Link Up" : "Link Down"); > + return sysfs_emit(buf, "%s\n", (lp->link_up) ? "Link Up" : "Link > +Down"); > } > > static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL); > -- > 2.29.2 > > Looks good to me. Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com> Regards, Karan
diff --git a/drivers/scsi/fnic/fnic_attrs.c b/drivers/scsi/fnic/fnic_attrs.c index a61e0c5e6506..0c5e57c7e322 100644 --- a/drivers/scsi/fnic/fnic_attrs.c +++ b/drivers/scsi/fnic/fnic_attrs.c @@ -14,13 +14,13 @@ static ssize_t fnic_show_state(struct device *dev, struct fc_lport *lp = shost_priv(class_to_shost(dev)); struct fnic *fnic = lport_priv(lp); - return snprintf(buf, PAGE_SIZE, "%s\n", fnic_state_str[fnic->state]); + return sysfs_emit(buf, "%s\n", fnic_state_str[fnic->state]); } static ssize_t fnic_show_drv_version(struct device *dev, struct device_attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", DRV_VERSION); + return sysfs_emit(buf, "%s\n", DRV_VERSION); } static ssize_t fnic_show_link_state(struct device *dev, @@ -28,8 +28,7 @@ static ssize_t fnic_show_link_state(struct device *dev, { struct fc_lport *lp = shost_priv(class_to_shost(dev)); - return snprintf(buf, PAGE_SIZE, "%s\n", (lp->link_up) - ? "Link Up" : "Link Down"); + return sysfs_emit(buf, "%s\n", (lp->link_up) ? "Link Up" : "Link Down"); } static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL);