Per filesystems/sysfs.rst, show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. coccinelle complains that there are still a couple of functions that use snprintf(). Convert them to sysfs_emit(). > ./drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:3619:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:3625:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:3633:8-16: WARNING: please use sysfs_emit No functional change intended CC: Michael Cyr <mikecyr@xxxxxxxxxxxxx> CC: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxx> CC: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx> CC: linux-scsi@xxxxxxxxxxxxxxx CC: target-devel@xxxxxxxxxxxxxxx Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxx> --- drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c index 4dc411a58107..071dd3c4dcf8 100644 --- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c +++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c @@ -3616,13 +3616,13 @@ static void ibmvscsis_remove(struct vio_dev *vdev) static ssize_t system_id_show(struct device *dev, struct device_attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", system_id); + return sysfs_emit(buf, "%s\n", system_id); } static ssize_t partition_number_show(struct device *dev, struct device_attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%x\n", partition_number); + return sysfs_emit(buf, "%x\n", partition_number); } static ssize_t unit_address_show(struct device *dev, @@ -3630,7 +3630,7 @@ static ssize_t unit_address_show(struct device *dev, { struct scsi_info *vscsi = container_of(dev, struct scsi_info, dev); - return snprintf(buf, PAGE_SIZE, "%x\n", vscsi->dma_dev->unit_address); + return sysfs_emit(buf, "%x\n", vscsi->dma_dev->unit_address); } static int ibmvscsis_get_system_info(void) -- 2.29.2