* [PATCH v2] scsi: ibmvfc: replace snprintf with sysfs_emit
@ 2022-02-10 10:33 ` davidcomponentone
0 siblings, 0 replies; 2+ messages in thread
From: davidcomponentone @ 2022-02-10 10:33 UTC (permalink / raw)
To: tyreld
Cc: davidcomponentone, mpe, benh, paulus, jejb, martin.petersen,
linux-scsi, linuxppc-dev, linux-kernel, Yang Guang, Zeal Robot
From: Yang Guang <yang.guang5@zte.com.cn>
coccinelle report:
./drivers/scsi/ibmvscsi/ibmvfc.c:3453:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/ibmvscsi/ibmvfc.c:3416:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/ibmvscsi/ibmvfc.c:3436:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/ibmvscsi/ibmvfc.c:3426:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/ibmvscsi/ibmvfc.c:3445:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/ibmvscsi/ibmvfc.c:3406:8-16:
WARNING: use scnprintf or sprintf
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
Signed-off-by: David Yang <davidcomponentone@gmail.com>
---
Change from v1-v2:
- Adjust some format
---
drivers/scsi/ibmvscsi/ibmvfc.c | 22 ++++++++++------------
1 file changed, 10 insertions(+), 12 deletions(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index d0eab5700dc5..ec63c45bf66b 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3403,8 +3403,7 @@ static ssize_t ibmvfc_show_host_partition_name(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%s\n",
- vhost->login_buf->resp.partition_name);
+ return sysfs_emit(buf, "%s\n", vhost->login_buf->resp.partition_name);
}
static ssize_t ibmvfc_show_host_device_name(struct device *dev,
@@ -3413,8 +3412,7 @@ static ssize_t ibmvfc_show_host_device_name(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%s\n",
- vhost->login_buf->resp.device_name);
+ return sysfs_emit(buf, "%s\n", vhost->login_buf->resp.device_name);
}
static ssize_t ibmvfc_show_host_loc_code(struct device *dev,
@@ -3423,8 +3421,7 @@ static ssize_t ibmvfc_show_host_loc_code(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%s\n",
- vhost->login_buf->resp.port_loc_code);
+ return sysfs_emit(buf, "%s\n", vhost->login_buf->resp.port_loc_code);
}
static ssize_t ibmvfc_show_host_drc_name(struct device *dev,
@@ -3433,8 +3430,7 @@ static ssize_t ibmvfc_show_host_drc_name(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%s\n",
- vhost->login_buf->resp.drc_name);
+ return sysfs_emit(buf, "%s\n", vhost->login_buf->resp.drc_name);
}
static ssize_t ibmvfc_show_host_npiv_version(struct device *dev,
@@ -3442,7 +3438,8 @@ static ssize_t ibmvfc_show_host_npiv_version(struct device *dev,
{
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%d\n", be32_to_cpu(vhost->login_buf->resp.version));
+
+ return sysfs_emit(buf, "%u\n", be32_to_cpu(vhost->login_buf->resp.version));
}
static ssize_t ibmvfc_show_host_capabilities(struct device *dev,
@@ -3450,7 +3447,8 @@ static ssize_t ibmvfc_show_host_capabilities(struct device *dev,
{
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%llx\n", be64_to_cpu(vhost->login_buf->resp.capabilities));
+
+ return sysfs_emit(buf, "%llx\n", be64_to_cpu(vhost->login_buf->resp.capabilities));
}
/**
@@ -3471,7 +3469,7 @@ static ssize_t ibmvfc_show_log_level(struct device *dev,
int len;
spin_lock_irqsave(shost->host_lock, flags);
- len = snprintf(buf, PAGE_SIZE, "%d\n", vhost->log_level);
+ len = sysfs_emit(buf, "%d\n", vhost->log_level);
spin_unlock_irqrestore(shost->host_lock, flags);
return len;
}
@@ -3509,7 +3507,7 @@ static ssize_t ibmvfc_show_scsi_channels(struct device *dev,
int len;
spin_lock_irqsave(shost->host_lock, flags);
- len = snprintf(buf, PAGE_SIZE, "%d\n", vhost->client_scsi_channels);
+ len = sysfs_emit(buf, "%d\n", vhost->client_scsi_channels);
spin_unlock_irqrestore(shost->host_lock, flags);
return len;
}
--
2.30.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH v2] scsi: ibmvfc: replace snprintf with sysfs_emit
@ 2022-02-10 10:33 ` davidcomponentone
0 siblings, 0 replies; 2+ messages in thread
From: davidcomponentone @ 2022-02-10 10:33 UTC (permalink / raw)
To: tyreld
Cc: linux-scsi, martin.petersen, jejb, davidcomponentone,
linux-kernel, Yang Guang, paulus, linuxppc-dev, Zeal Robot
From: Yang Guang <yang.guang5@zte.com.cn>
coccinelle report:
./drivers/scsi/ibmvscsi/ibmvfc.c:3453:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/ibmvscsi/ibmvfc.c:3416:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/ibmvscsi/ibmvfc.c:3436:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/ibmvscsi/ibmvfc.c:3426:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/ibmvscsi/ibmvfc.c:3445:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/ibmvscsi/ibmvfc.c:3406:8-16:
WARNING: use scnprintf or sprintf
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
Signed-off-by: David Yang <davidcomponentone@gmail.com>
---
Change from v1-v2:
- Adjust some format
---
drivers/scsi/ibmvscsi/ibmvfc.c | 22 ++++++++++------------
1 file changed, 10 insertions(+), 12 deletions(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index d0eab5700dc5..ec63c45bf66b 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3403,8 +3403,7 @@ static ssize_t ibmvfc_show_host_partition_name(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%s\n",
- vhost->login_buf->resp.partition_name);
+ return sysfs_emit(buf, "%s\n", vhost->login_buf->resp.partition_name);
}
static ssize_t ibmvfc_show_host_device_name(struct device *dev,
@@ -3413,8 +3412,7 @@ static ssize_t ibmvfc_show_host_device_name(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%s\n",
- vhost->login_buf->resp.device_name);
+ return sysfs_emit(buf, "%s\n", vhost->login_buf->resp.device_name);
}
static ssize_t ibmvfc_show_host_loc_code(struct device *dev,
@@ -3423,8 +3421,7 @@ static ssize_t ibmvfc_show_host_loc_code(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%s\n",
- vhost->login_buf->resp.port_loc_code);
+ return sysfs_emit(buf, "%s\n", vhost->login_buf->resp.port_loc_code);
}
static ssize_t ibmvfc_show_host_drc_name(struct device *dev,
@@ -3433,8 +3430,7 @@ static ssize_t ibmvfc_show_host_drc_name(struct device *dev,
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%s\n",
- vhost->login_buf->resp.drc_name);
+ return sysfs_emit(buf, "%s\n", vhost->login_buf->resp.drc_name);
}
static ssize_t ibmvfc_show_host_npiv_version(struct device *dev,
@@ -3442,7 +3438,8 @@ static ssize_t ibmvfc_show_host_npiv_version(struct device *dev,
{
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%d\n", be32_to_cpu(vhost->login_buf->resp.version));
+
+ return sysfs_emit(buf, "%u\n", be32_to_cpu(vhost->login_buf->resp.version));
}
static ssize_t ibmvfc_show_host_capabilities(struct device *dev,
@@ -3450,7 +3447,8 @@ static ssize_t ibmvfc_show_host_capabilities(struct device *dev,
{
struct Scsi_Host *shost = class_to_shost(dev);
struct ibmvfc_host *vhost = shost_priv(shost);
- return snprintf(buf, PAGE_SIZE, "%llx\n", be64_to_cpu(vhost->login_buf->resp.capabilities));
+
+ return sysfs_emit(buf, "%llx\n", be64_to_cpu(vhost->login_buf->resp.capabilities));
}
/**
@@ -3471,7 +3469,7 @@ static ssize_t ibmvfc_show_log_level(struct device *dev,
int len;
spin_lock_irqsave(shost->host_lock, flags);
- len = snprintf(buf, PAGE_SIZE, "%d\n", vhost->log_level);
+ len = sysfs_emit(buf, "%d\n", vhost->log_level);
spin_unlock_irqrestore(shost->host_lock, flags);
return len;
}
@@ -3509,7 +3507,7 @@ static ssize_t ibmvfc_show_scsi_channels(struct device *dev,
int len;
spin_lock_irqsave(shost->host_lock, flags);
- len = snprintf(buf, PAGE_SIZE, "%d\n", vhost->client_scsi_channels);
+ len = sysfs_emit(buf, "%d\n", vhost->client_scsi_channels);
spin_unlock_irqrestore(shost->host_lock, flags);
return len;
}
--
2.30.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-02-10 10:34 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2022-02-10 10:33 [PATCH v2] scsi: ibmvfc: replace snprintf with sysfs_emit davidcomponentone
2022-02-10 10:33 ` davidcomponentone
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