linux-kernel - [PATCH] scsi: megaraid: Convert snprintf to scnprintf

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Date:   Mon, 17 Jul 2023 11:43:38 +0800
From:   hanyu001@...suo.com
To:     kashyap.desai@...adcom.com, jejb@...ux.ibm.com,
        martin.petersen@...cle.com
Cc:     megaraidlinux.pdl@...adcom.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] scsi: megaraid: Convert snprintf to scnprintf

Fix the following coccicheck warnings:

drivers/scsi/megaraid/megaraid_sas_base.c:3422:WARNING: use scnprintf or 
sprintf
drivers/scsi/megaraid/megaraid_sas_base.c:3412:WARNING: use scnprintf or 
sprintf
drivers/scsi/megaraid/megaraid_sas_base.c:3338:WARNING: use scnprintf or 
sprintf
drivers/scsi/megaraid/megaraid_sas_base.c:3385:WARNING: use scnprintf or 
sprintf
drivers/scsi/megaraid/megaraid_sas_base.c:3402:WARNING: use scnprintf or 
sprintf
drivers/scsi/megaraid/megaraid_sas_base.c:3392:WARNING: use scnprintf or 
sprintf
drivers/scsi/megaraid/megaraid_sas_base.c:3476:WARNING: use scnprintf or 
sprintf

Signed-off-by: ztt <1549089851@...com>
---
  drivers/scsi/megaraid/megaraid_sas_base.c | 14 +++++++-------
  1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c 
b/drivers/scsi/megaraid/megaraid_sas_base.c
index 050eed8e2684..da7931ba4261 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -3335,7 +3335,7 @@ fw_crash_buffer_size_show(struct device *cdev,
      struct megasas_instance *instance =
          (struct megasas_instance *) shost->hostdata;

-    return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)
+    return scnprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)
          ((instance->fw_crash_buffer_size) * 1024 * 1024)/PAGE_SIZE);
  }

@@ -3382,14 +3382,14 @@ fw_crash_state_show(struct device *cdev,
      struct megasas_instance *instance =
          (struct megasas_instance *) shost->hostdata;

-    return snprintf(buf, PAGE_SIZE, "%d\n", instance->fw_crash_state);
+    return scnprintf(buf, PAGE_SIZE, "%d\n", instance->fw_crash_state);
  }

  static ssize_t
  page_size_show(struct device *cdev,
      struct device_attribute *attr, char *buf)
  {
-    return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)PAGE_SIZE - 
1);
+    return scnprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)PAGE_SIZE 
- 1);
  }

  static ssize_t
@@ -3399,7 +3399,7 @@ ldio_outstanding_show(struct device *cdev, struct 
device_attribute *attr,
      struct Scsi_Host *shost = class_to_shost(cdev);
      struct megasas_instance *instance = (struct megasas_instance 
*)shost->hostdata;

-    return snprintf(buf, PAGE_SIZE, "%d\n", 
atomic_read(&instance->ldio_outstanding));
+    return scnprintf(buf, PAGE_SIZE, "%d\n", 
atomic_read(&instance->ldio_outstanding));
  }

  static ssize_t
@@ -3409,7 +3409,7 @@ fw_cmds_outstanding_show(struct device *cdev,
      struct Scsi_Host *shost = class_to_shost(cdev);
      struct megasas_instance *instance = (struct megasas_instance 
*)shost->hostdata;

-    return snprintf(buf, PAGE_SIZE, "%d\n", 
atomic_read(&instance->fw_outstanding));
+    return scnprintf(buf, PAGE_SIZE, "%d\n", 
atomic_read(&instance->fw_outstanding));
  }

  static ssize_t
@@ -3419,7 +3419,7 @@ enable_sdev_max_qd_show(struct device *cdev,
      struct Scsi_Host *shost = class_to_shost(cdev);
      struct megasas_instance *instance = (struct megasas_instance 
*)shost->hostdata;

-    return snprintf(buf, PAGE_SIZE, "%d\n", 
instance->enable_sdev_max_qd);
+    return scnprintf(buf, PAGE_SIZE, "%d\n", 
instance->enable_sdev_max_qd);
  }

  static ssize_t
@@ -3473,7 +3473,7 @@ raid_map_id_show(struct device *cdev, struct 
device_attribute *attr,
      struct megasas_instance *instance =
              (struct megasas_instance *)shost->hostdata;

-    return snprintf(buf, PAGE_SIZE, "%ld\n",
+    return scnprintf(buf, PAGE_SIZE, "%ld\n",
              (unsigned long)instance->map_id);
  }