The 'proc_name' entry in sysfs for hisi_sas is 'null' now becuase it is not initialized in scsi_host_template. It looks like: [root@localhost ~]# cat /sys/class/scsi_host/host2/proc_name (null) While the other driver's entry looks like: linux-vnMQMU:~ # cat /sys/class/scsi_host/host0/proc_name megaraid_sas Cc: John Garry <john.garry@xxxxxxxxxx> Cc: Xiang Chen <chenxiang66@xxxxxxxxxxxxx> Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx> --- drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 1 + drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 1 + drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 1 + 3 files changed, 3 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index fa25766502a2..c205bff20943 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -1757,6 +1757,7 @@ static struct device_attribute *host_attrs_v1_hw[] = { static struct scsi_host_template sht_v1_hw = { .name = DRV_NAME, + .proc_name = DRV_NAME, .module = THIS_MODULE, .queuecommand = sas_queuecommand, .target_alloc = sas_target_alloc, diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index e05faf315dcd..c725cffe141e 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -3533,6 +3533,7 @@ static struct device_attribute *host_attrs_v2_hw[] = { static struct scsi_host_template sht_v2_hw = { .name = DRV_NAME, + .proc_name = DRV_NAME, .module = THIS_MODULE, .queuecommand = sas_queuecommand, .target_alloc = sas_target_alloc, diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 374885aa8d77..59b1421607dd 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -3071,6 +3071,7 @@ static int debugfs_set_bist_v3_hw(struct hisi_hba *hisi_hba, bool enable) static struct scsi_host_template sht_v3_hw = { .name = DRV_NAME, + .proc_name = DRV_NAME, .module = THIS_MODULE, .queuecommand = sas_queuecommand, .target_alloc = sas_target_alloc, -- 2.21.3