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vhost-scsi: convert sysfs snprintf and sprintf to sysfs_emit

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Follow the advice of the Documentation/filesystems/sysfs.rst
and show() should only use sysfs_emit() or sysfs_emit_at()
when formatting the value to be returned to user space.

Signed-off-by: Bo Liu <liubo03@inspur.com>
Message-Id: <20230129091145.2837-1-liubo03@inspur.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Bo Liu 2023-01-29 04:11:45 -05:00 committed by Michael S. Tsirkin
parent 36871fb92b
commit b3d4f02ee7
1 changed files with 3 additions and 3 deletions
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6
drivers/vhost/scsi.c
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@ -2105,7 +2105,7 @@ static ssize_t vhost_scsi_tpg_attrib_fabric_prot_type_show(
struct vhost_scsi_tpg *tpg = container_of(se_tpg,
struct vhost_scsi_tpg, se_tpg);
return sprintf(page, "%d\n", tpg->tv_fabric_prot_type);
return sysfs_emit(page, "%d\n", tpg->tv_fabric_prot_type);
}
CONFIGFS_ATTR(vhost_scsi_tpg_attrib_, fabric_prot_type);
@ -2215,7 +2215,7 @@ static ssize_t vhost_scsi_tpg_nexus_show(struct config_item *item, char *page)
mutex_unlock(&tpg->tv_tpg_mutex);
return -ENODEV;
}
ret = snprintf(page, PAGE_SIZE, "%s\n",
ret = sysfs_emit(page, "%s\n",
tv_nexus->tvn_se_sess->se_node_acl->initiatorname);
mutex_unlock(&tpg->tv_tpg_mutex);
@ -2440,7 +2440,7 @@ static void vhost_scsi_drop_tport(struct se_wwn *wwn)
static ssize_t
vhost_scsi_wwn_version_show(struct config_item *item, char *page)
{
return sprintf(page, "TCM_VHOST fabric module %s on %s/%s"
return sysfs_emit(page, "TCM_VHOST fabric module %s on %s/%s"
"on "UTS_RELEASE"\n", VHOST_SCSI_VERSION, utsname()->sysname,
utsname()->machine);
}