As stated in the Documentation/filesystems/sysfs.rst file, it is recommended that the show() callback function for kobject attributes strictly utilizes sysfs_emit instead of the sprintf family of functions. Issue identified using the coccinelle device_attr_show.cocci script. Signed-off-by: Anup Sharma <anupnewsmail@xxxxxxxxx> --- drivers/scsi/megaraid/megaraid_sas_base.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 317c944c68e3..44e8d39b9b76 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 sysfs_emit(buf, "%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 sysfs_emit(buf, "%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 sysfs_emit(buf, "%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 sysfs_emit(buf, "%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 sysfs_emit(buf, "%d\n", atomic_read(&instance->fw_outstanding)); } static ssize_t @@ -3419,7 +3419,8 @@ 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 sysfs_emit(buf, "%d\n", + instance->enable_sdev_max_qd); } static ssize_t @@ -3473,7 +3474,7 @@ 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 sysfs_emit(buf, "%ld\n", (unsigned long)instance->map_id); } -- 2.34.1