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Message-Id: <20220525074424.108488-1-zhangxuezhi1@coolpad.com>
Date: Wed, 25 May 2022 07:44:24 +0000
From: Xuezhi Zhang <zhangxuezhi1@...lpad.com>
To: jejb@...ux.ibm.com, martin.petersen@...cle.com
Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
llyz108@....com, Xuezhi Zhang <zhangxuezhi1@...lpad.com>
Subject: [PATCH] scsi: scsi_transport_fc: convert sysfs snprintf to sysfs_emit
Fix the following coccicheck warnings:
drivers/scsi/scsi_transport_fc.c:1962:9-17:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_transport_fc.c:1886:9-17:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_transport_fc.c:1910:9-17:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_transport_fc.c:1995:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_transport_fc.c:1299:9-17:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_transport_fc.c:1281:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_transport_fc.c:1213:10-18:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_transport_fc.c:1118:9-17:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_transport_fc.c:1660:9-17:
WARNING: use scnprintf or sprintf
Signed-off-by: Xuezhi Zhang <zhangxuezhi1@...lpad.com>
---
drivers/scsi/scsi_transport_fc.c | 38 ++++++++++++++++----------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index a2524106206d..a47f6e0f8597 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -1115,7 +1115,7 @@ show_fc_rport_supported_classes (struct device *dev,
{
struct fc_rport *rport = transport_class_to_rport(dev);
if (rport->supported_classes == FC_COS_UNSPECIFIED)
- return snprintf(buf, 20, "unspecified\n");
+ return sysfs_emit(buf, "unspecified\n");
return get_fc_cos_names(rport->supported_classes, buf);
}
static FC_DEVICE_ATTR(rport, supported_classes, S_IRUGO,
@@ -1210,21 +1210,21 @@ show_fc_rport_roles (struct device *dev, struct device_attribute *attr,
FC_WELLKNOWN_PORTID_MASK) {
switch (rport->port_id & FC_WELLKNOWN_ROLE_MASK) {
case FC_FPORT_PORTID:
- return snprintf(buf, 30, "Fabric Port\n");
+ return sysfs_emit(buf, "Fabric Port\n");
case FC_FABCTLR_PORTID:
- return snprintf(buf, 30, "Fabric Controller\n");
+ return sysfs_emit(buf, "Fabric Controller\n");
case FC_DIRSRVR_PORTID:
- return snprintf(buf, 30, "Directory Server\n");
+ return sysfs_emit(buf, "Directory Server\n");
case FC_TIMESRVR_PORTID:
- return snprintf(buf, 30, "Time Server\n");
+ return sysfs_emit(buf, "Time Server\n");
case FC_MGMTSRVR_PORTID:
- return snprintf(buf, 30, "Management Server\n");
+ return sysfs_emit(buf, "Management Server\n");
default:
- return snprintf(buf, 30, "Unknown Fabric Entity\n");
+ return sysfs_emit(buf, "Unknown Fabric Entity\n");
}
} else {
if (rport->roles == FC_PORT_ROLE_UNKNOWN)
- return snprintf(buf, 20, "unknown\n");
+ return sysfs_emit(buf, "unknown\n");
return get_fc_port_roles_names(rport->roles, buf);
}
}
@@ -1278,7 +1278,7 @@ show_fc_rport_port_state(struct device *dev,
if (!name)
return -EINVAL;
- return snprintf(buf, 20, "%s\n", name);
+ return sysfs_emit(buf, "%s\n", name);
}
static FC_DEVICE_ATTR(rport, port_state, 0444 | 0200,
@@ -1296,8 +1296,8 @@ show_fc_rport_fast_io_fail_tmo (struct device *dev,
struct fc_rport *rport = transport_class_to_rport(dev);
if (rport->fast_io_fail_tmo == -1)
- return snprintf(buf, 5, "off\n");
- return snprintf(buf, 20, "%d\n", rport->fast_io_fail_tmo);
+ return sysfs_emit(buf, "off\n");
+ return sysfs_emit(buf, "%d\n", rport->fast_io_fail_tmo);
}
static ssize_t
@@ -1341,7 +1341,7 @@ static ssize_t fc_rport_fpinstat_##name(struct device *cd, \
{ \
struct fc_rport *rport = transport_class_to_rport(cd); \
\
- return snprintf(buf, 20, "0x%llx\n", rport->fpin_stats.name); \
+ return sysfs_emit(buf, "0x%llx\n", rport->fpin_stats.name); \
} \
static FC_DEVICE_ATTR(rport, fpin_##name, 0444, fc_rport_fpinstat_##name, NULL)
@@ -1657,7 +1657,7 @@ show_fc_vport_roles (struct device *dev, struct device_attribute *attr,
struct fc_vport *vport = transport_class_to_vport(dev);
if (vport->roles == FC_PORT_ROLE_UNKNOWN)
- return snprintf(buf, 20, "unknown\n");
+ return sysfs_emit(buf, "unknown\n");
return get_fc_port_roles_names(vport->roles, buf);
}
static FC_DEVICE_ATTR(vport, roles, S_IRUGO, show_fc_vport_roles, NULL);
@@ -1883,7 +1883,7 @@ show_fc_host_supported_classes (struct device *dev,
struct Scsi_Host *shost = transport_class_to_shost(dev);
if (fc_host_supported_classes(shost) == FC_COS_UNSPECIFIED)
- return snprintf(buf, 20, "unspecified\n");
+ return sysfs_emit(buf, "unspecified\n");
return get_fc_cos_names(fc_host_supported_classes(shost), buf);
}
@@ -1907,7 +1907,7 @@ show_fc_host_supported_speeds (struct device *dev,
struct Scsi_Host *shost = transport_class_to_shost(dev);
if (fc_host_supported_speeds(shost) == FC_PORTSPEED_UNKNOWN)
- return snprintf(buf, 20, "unknown\n");
+ return sysfs_emit(buf, "unknown\n");
return get_fc_port_speed_names(fc_host_supported_speeds(shost), buf);
}
@@ -1959,7 +1959,7 @@ show_fc_host_speed (struct device *dev,
i->f->get_host_speed(shost);
if (fc_host_speed(shost) == FC_PORTSPEED_UNKNOWN)
- return snprintf(buf, 20, "unknown\n");
+ return sysfs_emit(buf, "unknown\n");
return get_fc_port_speed_names(fc_host_speed(shost), buf);
}
@@ -1992,7 +1992,7 @@ show_fc_private_host_tgtid_bind_type(struct device *dev,
name = get_fc_tgtid_bind_type_name(fc_host_tgtid_bind_type(shost));
if (!name)
return -EINVAL;
- return snprintf(buf, FC_BINDTYPE_MAX_NAMELEN, "%s\n", name);
+ return sysfs_emit(buf, "%s\n", name);
}
#define get_list_head_entry(pos, head, member) \
@@ -2101,7 +2101,7 @@ fc_stat_show(const struct device *dev, char *buf, unsigned long offset)
if (i->f->get_fc_host_stats) {
stats = (i->f->get_fc_host_stats)(shost);
if (stats)
- ret = snprintf(buf, 20, "0x%llx\n",
+ ret = sysfs_emit(buf, "0x%llx\n",
(unsigned long long)*(u64 *)(((u8 *) stats) + offset));
}
return ret;
@@ -2160,7 +2160,7 @@ static ssize_t fc_host_fpinstat_##name(struct device *cd, \
struct Scsi_Host *shost = transport_class_to_shost(cd); \
struct fc_host_attrs *fc_host = shost_to_fc_host(shost); \
\
- return snprintf(buf, 20, "0x%llx\n", fc_host->fpin_stats.name); \
+ return sysfs_emit(buf, "0x%llx\n", fc_host->fpin_stats.name); \
} \
static FC_DEVICE_ATTR(host, fpin_##name, 0444, fc_host_fpinstat_##name, NULL)
--
2.25.1
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