diff mbox series

[-next,2/3] scsi: aacraid: Use sysfs_emit() to replace the sprintf()

Message ID 20240904013540.2026972-3-lihongbo22@huawei.com
State New
Headers show
Series Use sysfs_emit for reloading sysfs's .show | expand

Commit Message

Hongbo Li Sept. 4, 2024, 1:35 a.m. UTC
sysfs_emit validates assumptions made by sysfs and is the correct
mechanism to format data for sysfs.

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
---
 drivers/scsi/aacraid/linit.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 68f4dbcfff49..c87fb6c7828e 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -561,8 +561,8 @@  static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *
 		return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 		  ? "Hidden\n" :
 		  ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
-	return snprintf(buf, PAGE_SIZE, "%s\n",
-	  get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
+	return sysfs_emit(buf, "%s\n",
+			  get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 }
 
 static struct device_attribute aac_raid_level_attr = {
@@ -585,7 +585,7 @@  static ssize_t aac_show_unique_id(struct device *dev,
 	if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 		memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 
-	return snprintf(buf, 16 * 2 + 2,
+	return sysfs_emit(buf,
 		"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 		sn[0], sn[1], sn[2], sn[3],
 		sn[4], sn[5], sn[6], sn[7],
@@ -1296,7 +1296,7 @@  static ssize_t aac_show_driver_version(struct device *device,
 					struct device_attribute *attr,
 					char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
+	return sysfs_emit(buf, "%s\n", aac_driver_version);
 }
 
 static ssize_t aac_show_serial_number(struct device *device,
@@ -1322,15 +1322,13 @@  static ssize_t aac_show_serial_number(struct device *device,
 static ssize_t aac_show_max_channel(struct device *device,
 				    struct device_attribute *attr, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%d\n",
-	  class_to_shost(device)->max_channel);
+	return sysfs_emit(buf, "%d\n", class_to_shost(device)->max_channel);
 }
 
 static ssize_t aac_show_max_id(struct device *device,
 			       struct device_attribute *attr, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%d\n",
-	  class_to_shost(device)->max_id);
+	return sysfs_emit(buf, "%d\n", class_to_shost(device)->max_id);
 }
 
 static ssize_t aac_store_reset_adapter(struct device *device,