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Message-Id: <20220524084959.126188-1-zhangxuezhi1@coolpad.com>
Date: Tue, 24 May 2022 08:49:59 +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: core: sysfs: convert sysfs snprintf to sysfs_emit
Fix the following coccicheck warnings:
drivers/scsi/scsi_sysfs.c:705:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:696:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:1119:9-17:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:738:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:986:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:1209:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:717:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:385:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:961:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:402:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:881:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:277:9-17:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:327:9-17:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:231:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/scsi_sysfs.c:866:8-16:
WARNING: use scnprintf or sprintf
Signed-off-by: Xuezhi Zhang <zhangxuezhi1@...lpad.com>
---
drivers/scsi/scsi_sysfs.c | 38 +++++++++++++++++++-------------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 546a9e3cfbec..256d45ca5fa5 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -163,7 +163,7 @@ show_##name (struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
struct Scsi_Host *shost = class_to_shost(dev); \
- return snprintf (buf, 20, format_string, shost->field); \
+ return sysfs_emit(buf, format_string, shost->field); \
}
/*
@@ -228,7 +228,7 @@ show_shost_state(struct device *dev, struct device_attribute *attr, char *buf)
if (!name)
return -EINVAL;
- return snprintf(buf, 20, "%s\n", name);
+ return sysfs_emit(buf, "%s\n", name);
}
/* DEVICE_ATTR(state) clashes with dev_attr_state for sdev */
@@ -274,7 +274,7 @@ show_shost_active_mode(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
if (shost->active_mode == MODE_UNKNOWN)
- return snprintf(buf, 20, "unknown\n");
+ return sysfs_emit(buf, "unknown\n");
else
return show_shost_mode(shost->active_mode, buf);
}
@@ -382,7 +382,7 @@ static ssize_t
show_host_busy(struct device *dev, struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
- return snprintf(buf, 20, "%d\n", scsi_host_busy(shost));
+ return sysfs_emit(buf, "%d\n", scsi_host_busy(shost));
}
static DEVICE_ATTR(host_busy, S_IRUGO, show_host_busy, NULL);
@@ -399,7 +399,7 @@ show_nr_hw_queues(struct device *dev, struct device_attribute *attr, char *buf)
struct Scsi_Host *shost = class_to_shost(dev);
struct blk_mq_tag_set *tag_set = &shost->tag_set;
- return snprintf(buf, 20, "%d\n", tag_set->nr_hw_queues);
+ return sysfs_emit(buf, "%d\n", tag_set->nr_hw_queues);
}
static DEVICE_ATTR(nr_hw_queues, S_IRUGO, show_nr_hw_queues, NULL);
@@ -606,7 +606,7 @@ sdev_show_##field (struct device *dev, struct device_attribute *attr, \
{ \
struct scsi_device *sdev; \
sdev = to_scsi_device(dev); \
- return snprintf (buf, 20, format_string, sdev->field); \
+ return sysfs_emit(buf, format_string, sdev->field); \
} \
/*
@@ -693,7 +693,7 @@ sdev_show_device_busy(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct scsi_device *sdev = to_scsi_device(dev);
- return snprintf(buf, 20, "%d\n", scsi_device_busy(sdev));
+ return sysfs_emit(buf, "%d\n", scsi_device_busy(sdev));
}
static DEVICE_ATTR(device_busy, S_IRUGO, sdev_show_device_busy, NULL);
@@ -702,7 +702,7 @@ sdev_show_device_blocked(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct scsi_device *sdev = to_scsi_device(dev);
- return snprintf(buf, 20, "%d\n", atomic_read(&sdev->device_blocked));
+ return sysfs_emit(buf, "%d\n", atomic_read(&sdev->device_blocked));
}
static DEVICE_ATTR(device_blocked, S_IRUGO, sdev_show_device_blocked, NULL);
@@ -714,7 +714,7 @@ sdev_show_timeout (struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device *sdev;
sdev = to_scsi_device(dev);
- return snprintf(buf, 20, "%d\n", sdev->request_queue->rq_timeout / HZ);
+ return sysfs_emit(buf, "%d\n", sdev->request_queue->rq_timeout / HZ);
}
static ssize_t
@@ -735,7 +735,7 @@ sdev_show_eh_timeout(struct device *dev, struct device_attribute *attr, char *bu
{
struct scsi_device *sdev;
sdev = to_scsi_device(dev);
- return snprintf(buf, 20, "%u\n", sdev->eh_timeout / HZ);
+ return sysfs_emit(buf, "%u\n", sdev->eh_timeout / HZ);
}
static ssize_t
@@ -863,7 +863,7 @@ show_state_field(struct device *dev, struct device_attribute *attr, char *buf)
if (!name)
return -EINVAL;
- return snprintf(buf, 20, "%s\n", name);
+ return sysfs_emit(buf, "%s\n", name);
}
static DEVICE_ATTR(state, S_IRUGO | S_IWUSR, show_state_field, store_state_field);
@@ -878,7 +878,7 @@ show_queue_type_field(struct device *dev, struct device_attribute *attr,
if (sdev->simple_tags)
name = "simple";
- return snprintf(buf, 20, "%s\n", name);
+ return sysfs_emit(buf, "%s\n", name);
}
static ssize_t
@@ -958,7 +958,7 @@ static ssize_t
show_iostat_counterbits(struct device *dev, struct device_attribute *attr,
char *buf)
{
- return snprintf(buf, 20, "%d\n", (int)sizeof(atomic_t) * 8);
+ return sysfs_emit(buf, "%d\n", (int)sizeof(atomic_t) * 8);
}
static DEVICE_ATTR(iocounterbits, S_IRUGO, show_iostat_counterbits, NULL);
@@ -970,7 +970,7 @@ show_iostat_##field(struct device *dev, struct device_attribute *attr, \
{ \
struct scsi_device *sdev = to_scsi_device(dev); \
unsigned long long count = atomic_read(&sdev->field); \
- return snprintf(buf, 20, "0x%llx\n", count); \
+ return sysfs_emit(buf, "0x%llx\n", count); \
} \
static DEVICE_ATTR(field, S_IRUGO, show_iostat_##field, NULL)
@@ -983,7 +983,7 @@ sdev_show_modalias(struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device *sdev;
sdev = to_scsi_device(dev);
- return snprintf (buf, 20, SCSI_DEVICE_MODALIAS_FMT "\n", sdev->type);
+ return sysfs_emit(buf, SCSI_DEVICE_MODALIAS_FMT "\n", sdev->type);
}
static DEVICE_ATTR(modalias, S_IRUGO, sdev_show_modalias, NULL);
@@ -994,7 +994,7 @@ sdev_show_evt_##name(struct device *dev, struct device_attribute *attr, \
{ \
struct scsi_device *sdev = to_scsi_device(dev); \
int val = test_bit(SDEV_EVT_##Cap_name, sdev->supported_events);\
- return snprintf(buf, 20, "%d\n", val); \
+ return sysfs_emit(buf, "%d\n", val); \
}
#define DECLARE_EVT_STORE(name, Cap_name) \
@@ -1116,9 +1116,9 @@ sdev_show_dh_state(struct device *dev, struct device_attribute *attr,
struct scsi_device *sdev = to_scsi_device(dev);
if (!sdev->handler)
- return snprintf(buf, 20, "detached\n");
+ return sysfs_emit(buf, "detached\n");
- return snprintf(buf, 20, "%s\n", sdev->handler->name);
+ return sysfs_emit(buf, "%s\n", sdev->handler->name);
}
static ssize_t
@@ -1206,7 +1206,7 @@ sdev_show_queue_ramp_up_period(struct device *dev,
{
struct scsi_device *sdev;
sdev = to_scsi_device(dev);
- return snprintf(buf, 20, "%u\n",
+ return sysfs_emit(buf, "%u\n",
jiffies_to_msecs(sdev->queue_ramp_up_period));
}
--
2.25.1
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