From: Deepak R Varma <drv@mailo.com>
To: "James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Saurabh Singh Sengar <ssengar@microsoft.com>,
Praveen Kumar <kumarpraveen@linux.microsoft.com>,
drv@mailo.com
Subject: [PATCH] scsi: arcmsr: Use sysfs_emit in show function callsbacks
Date: Fri, 23 Dec 2022 23:22:51 +0530 [thread overview]
Message-ID: <Y6Xq8480vxO1JKRh@qemulion> (raw)
According to Documentation/filesystems/sysfs.rst, the show() callback
function of kobject attributes should strictly use sysfs_emit instead
of sprintf family functions.
Issue identified using the coccinelle device_attr_show.cocci script.
Signed-off-by: Deepak R Varma <drv@mailo.com>
---
drivers/scsi/arcmsr/arcmsr_attr.c | 44 ++++++++++---------------------
1 file changed, 14 insertions(+), 30 deletions(-)
diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index baeb5e795690..feec18222f8c 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -258,9 +258,7 @@ static ssize_t
arcmsr_attr_host_driver_version(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return snprintf(buf, PAGE_SIZE,
- "%s\n",
- ARCMSR_DRIVER_VERSION);
+ return sysfs_emit(buf, "%s\n", ARCMSR_DRIVER_VERSION);
}
static ssize_t
@@ -270,9 +268,8 @@ arcmsr_attr_host_driver_posted_cmd(struct device *dev,
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- atomic_read(&acb->ccboutstandingcount));
+
+ return sysfs_emit(buf, "%4d\n", atomic_read(&acb->ccboutstandingcount));
}
static ssize_t
@@ -282,9 +279,8 @@ arcmsr_attr_host_driver_reset(struct device *dev,
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->num_resets);
+
+ return sysfs_emit(buf, "%4d\n", acb->num_resets);
}
static ssize_t
@@ -294,9 +290,8 @@ arcmsr_attr_host_driver_abort(struct device *dev,
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->num_aborts);
+
+ return sysfs_emit(buf, "%4d\n", acb->num_aborts);
}
static ssize_t
@@ -306,9 +301,8 @@ arcmsr_attr_host_fw_model(struct device *dev, struct device_attribute *attr,
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%s\n",
- acb->firm_model);
+
+ return sysfs_emit(buf, "%s\n", acb->firm_model);
}
static ssize_t
@@ -319,9 +313,7 @@ arcmsr_attr_host_fw_version(struct device *dev,
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%s\n",
- acb->firm_version);
+ return sysfs_emit(buf, "%s\n", acb->firm_version);
}
static ssize_t
@@ -332,9 +324,7 @@ arcmsr_attr_host_fw_request_len(struct device *dev,
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->firm_request_len);
+ return sysfs_emit(buf, "%4d\n", acb->firm_request_len);
}
static ssize_t
@@ -345,9 +335,7 @@ arcmsr_attr_host_fw_numbers_queue(struct device *dev,
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->firm_numbers_queue);
+ return sysfs_emit(buf, "%4d\n", acb->firm_numbers_queue);
}
static ssize_t
@@ -358,9 +346,7 @@ arcmsr_attr_host_fw_sdram_size(struct device *dev,
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->firm_sdram_size);
+ return sysfs_emit(buf, "%4d\n", acb->firm_sdram_size);
}
static ssize_t
@@ -371,9 +357,7 @@ arcmsr_attr_host_fw_hd_channels(struct device *dev,
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->firm_hd_channels);
+ return sysfs_emit(buf, "%4d\n", acb->firm_hd_channels);
}
static DEVICE_ATTR(host_driver_version, S_IRUGO, arcmsr_attr_host_driver_version, NULL);
--
2.34.1
reply other threads:[~2022-12-23 17:53 UTC|newest]
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