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Date:   Thu, 28 Oct 2021 02:24:59 +0000
From:   cgel.zte@...il.com
To:     tyreld@...ux.ibm.com
Cc:     mpe@...erman.id.au, benh@...nel.crashing.org, paulus@...ba.org,
        jejb@...ux.ibm.com, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org,
        Changcheng Deng <deng.changcheng@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] scsi: ibmvfc: replace scnprintf in show functions with sysfs_emit

From: Changcheng Deng <deng.changcheng@....com.cn>

Fix the coccicheck warning:
WARNING: use scnprintf or sprintf

Use sysfs_emit instead of scnprintf or sprintf makes more sense.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@....com.cn>
---
 drivers/scsi/ibmvscsi/ibmvfc.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index a4b0a12f8a97..7f39a965677b 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3402,8 +3402,7 @@ 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,
@@ -3412,8 +3411,7 @@ 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,
@@ -3422,8 +3420,7 @@ 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,
@@ -3432,8 +3429,7 @@ 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,
@@ -3441,7 +3437,7 @@ 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, "%d\n", be32_to_cpu(vhost->login_buf->resp.version));
 }
 
 static ssize_t ibmvfc_show_host_capabilities(struct device *dev,
@@ -3449,7 +3445,7 @@ 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));
 }
 
 /**
-- 
2.25.1

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