linux-kernel - [PATCH linux-next] scsi: pmcraid: Convert to use sysfs

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Date:   Tue, 27 Sep 2022 05:48:08 +0000
From:   zhangsongyi.cegl@...il.com
To:     jejb@...ux.ibm.com, martin.petersen@...cle.com
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        zhang songyi <zhang.songyi@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] scsi: pmcraid: Convert to use sysfs_emit() APIs

From: zhang songyi <zhang.songyi@....com.cn>

Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the value
to be returned to user space.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: zhang songyi <zhang.songyi@....com.cn>
---
 drivers/scsi/pmcraid.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 836ddc476764..057d6172d643 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -3493,7 +3493,7 @@ static ssize_t pmcraid_show_log_level(
 	struct Scsi_Host *shost = class_to_shost(dev);
 	struct pmcraid_instance *pinstance =
 		(struct pmcraid_instance *)shost->hostdata;
-	return snprintf(buf, PAGE_SIZE, "%d\n", pinstance->current_log_level);
+	return sysfs_emit(buf, "%d\n", pinstance->current_log_level);
 }
 
 /**
@@ -3554,7 +3554,7 @@ static ssize_t pmcraid_show_drv_version(
 	char *buf
 )
 {
-	return snprintf(buf, PAGE_SIZE, "version: %s\n",
+	return sysfs_emit(buf, "version: %s\n",
 			PMCRAID_DRIVER_VERSION);
 }
 
@@ -3588,7 +3588,7 @@ static ssize_t pmcraid_show_adapter_id(
 		pinstance->pdev->devfn;
 	u32 aen_group = pmcraid_event_family.id;
 
-	return snprintf(buf, PAGE_SIZE,
+	return sysfs_emit(buf,
 			"adapter id: %d\nminor: %d\naen group: %d\n",
 			adapter_id, MINOR(pinstance->cdev.dev), aen_group);
 }
-- 
2.25.1