diff options
Diffstat (limited to 'drivers/s390/net/ctcm_sysfs.c')
| -rw-r--r-- | drivers/s390/net/ctcm_sysfs.c | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/drivers/s390/net/ctcm_sysfs.c b/drivers/s390/net/ctcm_sysfs.c index ddb0aa321339..529a1c40ae63 100644 --- a/drivers/s390/net/ctcm_sysfs.c +++ b/drivers/s390/net/ctcm_sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007, 2007 * Authors: Peter Tiedemann (ptiedem@de.ibm.com) @@ -8,8 +9,7 @@ #undef DEBUGDATA #undef DEBUGCCW -#define KMSG_COMPONENT "ctcm" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#define pr_fmt(fmt) "ctcm: " fmt #include <linux/device.h> #include <linux/sysfs.h> @@ -27,7 +27,7 @@ static ssize_t ctcm_buffer_show(struct device *dev, if (!priv) return -ENODEV; - return sprintf(buf, "%d\n", priv->buffer_size); + return sysfs_emit(buf, "%d\n", priv->buffer_size); } static ssize_t ctcm_buffer_write(struct device *dev, @@ -38,11 +38,12 @@ static ssize_t ctcm_buffer_write(struct device *dev, struct ctcm_priv *priv = dev_get_drvdata(dev); int rc; - ndev = priv->channel[CTCM_READ]->netdev; - if (!(priv && priv->channel[CTCM_READ] && ndev)) { + if (!(priv && priv->channel[CTCM_READ] && + priv->channel[CTCM_READ]->netdev)) { CTCM_DBF_TEXT(SETUP, CTC_DBF_ERROR, "bfnondev"); return -ENODEV; } + ndev = priv->channel[CTCM_READ]->netdev; rc = kstrtouint(buf, 0, &bs1); if (rc) @@ -84,24 +85,24 @@ static void ctcm_print_statistics(struct ctcm_priv *priv) return; p = sbuf; - p += sprintf(p, " Device FSM state: %s\n", - fsm_getstate_str(priv->fsm)); - p += sprintf(p, " RX channel FSM state: %s\n", - fsm_getstate_str(priv->channel[CTCM_READ]->fsm)); - p += sprintf(p, " TX channel FSM state: %s\n", - fsm_getstate_str(priv->channel[CTCM_WRITE]->fsm)); - p += sprintf(p, " Max. TX buffer used: %ld\n", - priv->channel[WRITE]->prof.maxmulti); - p += sprintf(p, " Max. chained SKBs: %ld\n", - priv->channel[WRITE]->prof.maxcqueue); - p += sprintf(p, " TX single write ops: %ld\n", - priv->channel[WRITE]->prof.doios_single); - p += sprintf(p, " TX multi write ops: %ld\n", - priv->channel[WRITE]->prof.doios_multi); - p += sprintf(p, " Netto bytes written: %ld\n", - priv->channel[WRITE]->prof.txlen); - p += sprintf(p, " Max. TX IO-time: %u\n", - jiffies_to_usecs(priv->channel[WRITE]->prof.tx_time)); + p += scnprintf(p, CTCM_STATSIZE_LIMIT, " Device FSM state: %s\n", + fsm_getstate_str(priv->fsm)); + p += scnprintf(p, CTCM_STATSIZE_LIMIT, " RX channel FSM state: %s\n", + fsm_getstate_str(priv->channel[CTCM_READ]->fsm)); + p += scnprintf(p, CTCM_STATSIZE_LIMIT, " TX channel FSM state: %s\n", + fsm_getstate_str(priv->channel[CTCM_WRITE]->fsm)); + p += scnprintf(p, CTCM_STATSIZE_LIMIT, " Max. TX buffer used: %ld\n", + priv->channel[WRITE]->prof.maxmulti); + p += scnprintf(p, CTCM_STATSIZE_LIMIT, " Max. chained SKBs: %ld\n", + priv->channel[WRITE]->prof.maxcqueue); + p += scnprintf(p, CTCM_STATSIZE_LIMIT, " TX single write ops: %ld\n", + priv->channel[WRITE]->prof.doios_single); + p += scnprintf(p, CTCM_STATSIZE_LIMIT, " TX multi write ops: %ld\n", + priv->channel[WRITE]->prof.doios_multi); + p += scnprintf(p, CTCM_STATSIZE_LIMIT, " Netto bytes written: %ld\n", + priv->channel[WRITE]->prof.txlen); + p += scnprintf(p, CTCM_STATSIZE_LIMIT, " Max. TX IO-time: %u\n", + jiffies_to_usecs(priv->channel[WRITE]->prof.tx_time)); printk(KERN_INFO "Statistics for %s:\n%s", priv->channel[CTCM_WRITE]->netdev->name, sbuf); @@ -118,7 +119,7 @@ static ssize_t stats_show(struct device *dev, if (!priv || gdev->state != CCWGROUP_ONLINE) return -ENODEV; ctcm_print_statistics(priv); - return sprintf(buf, "0\n"); + return sysfs_emit(buf, "0\n"); } static ssize_t stats_write(struct device *dev, struct device_attribute *attr, @@ -140,7 +141,7 @@ static ssize_t ctcm_proto_show(struct device *dev, if (!priv) return -ENODEV; - return sprintf(buf, "%d\n", priv->protocol); + return sysfs_emit(buf, "%d\n", priv->protocol); } static ssize_t ctcm_proto_store(struct device *dev, @@ -182,8 +183,8 @@ static ssize_t ctcm_type_show(struct device *dev, if (!cgdev) return -ENODEV; - return sprintf(buf, "%s\n", - ctcm_type[cgdev->cdev[0]->id.driver_info]); + return sysfs_emit(buf, "%s\n", + ctcm_type[cgdev->cdev[0]->id.driver_info]); } static DEVICE_ATTR(buffer, 0644, ctcm_buffer_show, ctcm_buffer_write); |