scsi: hisi_sas: Remove redundant checks for automatic debugfs dump

commit 3f03055 upstream.

In commit 63f0733 ("scsi: hisi_sas: Allocate DFX memory during dump
trigger"), the memory allocation time of the DFX is changed from device
initialization to dump occurs, so .debugfs_itct is not a valid address and
do not need to check.

The parameter hisi_sas_debugfs_enable is enough to check whether automatic
debugfs dump is triggered, so remove redunant checks.

Fixes: 63f0733 ("scsi: hisi_sas: Allocate DFX memory during dump trigger")
Signed-off-by: Yihang Li <liyihang9@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/1705904747-62186-3-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Yihang Li

drivers/scsi/hisi_sas/hisi_sas_main.c

@@ -1579,7 +1579,7 @@ static int hisi_sas_controller_prereset(struct hisi_hba *hisi_hba)
 		return -EPERM;
 	}
 
-	if (hisi_sas_debugfs_enable && hisi_hba->debugfs_itct[0].itct)
+	if (hisi_sas_debugfs_enable)
 		hisi_hba->hw->debugfs_snapshot_regs(hisi_hba);
 
 	return 0;
@@ -1967,7 +1967,7 @@ static bool hisi_sas_internal_abort_timeout(struct sas_task *task,
 	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
 	struct hisi_sas_internal_abort_data *timeout = data;
 
-	if (hisi_sas_debugfs_enable && hisi_hba->debugfs_itct[0].itct) {
+	if (hisi_sas_debugfs_enable) {
 		/*
 		 * If timeout occurs in device gone scenario, to avoid
 		 * circular dependency like: