From fec3e16daebaabd2818c54f3405ce8923b2e0f3b Mon Sep 17 00:00:00 2001 From: Luo Jiaxing Date: Fri, 13 May 2022 08:34:36 +0000 Subject: [PATCH] scsi: hisi_sas: Don't fail IT nexus reset for Open Reject timeout mainline inclusion from mainline-v5.2-rc1 commit 246ea3c0ad02 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I538BF CVE: NA --------------------------------------------------------- Currently we call hisi_sas_softreset_ata_disk() in hisi_sas_I_T_nexus_reset(). If this fails for open reject reason, there is no reason to fail the IT nexus reset, so only fail for TMF_RESP_FUNC_FAILED. Some other strings spilled over multiple lines are reunited. Signed-off-by: Luo Jiaxing Signed-off-by: John Garry Signed-off-by: Martin K. Petersen Signed-off-by: Xingui Yang Reviewed-by: kang fenglong Signed-off-by: Yongqiang Liu --- drivers/scsi/hisi_sas/hisi_sas_main.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 32f55248c356..6ee5168a6bd8 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1277,8 +1277,7 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device, /* no error, but return the number of bytes of * underrun */ - dev_warn(dev, "abort tmf: task to dev %016llx " - "resp: 0x%x sts 0x%x underrun\n", + dev_warn(dev, "abort tmf: task to dev %016llx resp: 0x%x sts 0x%x underrun\n", SAS_ADDR(device->sas_addr), task->task_status.resp, task->task_status.stat); @@ -1293,10 +1292,16 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device, break; } - dev_warn(dev, "abort tmf: task to dev " - "%016llx resp: 0x%x status 0x%x\n", - SAS_ADDR(device->sas_addr), task->task_status.resp, - task->task_status.stat); + if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == SAS_OPEN_REJECT) { + dev_warn(dev, "abort tmf: open reject failed\n"); + res = -EIO; + } else { + dev_warn(dev, "abort tmf: task to dev %016llx resp: 0x%x status 0x%x\n", + SAS_ADDR(device->sas_addr), + task->task_status.resp, + task->task_status.stat); + } sas_free_task(task); task = NULL; } @@ -1840,7 +1845,8 @@ static int hisi_sas_I_T_nexus_reset(struct domain_device *device) if (dev_is_sata(device)) { rc = hisi_sas_softreset_ata_disk(device); if (rc) - return TMF_RESP_FUNC_FAILED; + dev_err(dev, "I_T nexus reset: softreset failed (%d)\n", + rc); } rc = hisi_sas_debug_I_T_nexus_reset(device); @@ -2124,10 +2130,8 @@ _hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba, } exit: - dev_dbg(dev, "internal task abort: task to dev %016llx task=%pK " - "resp: 0x%x sts 0x%x\n", - SAS_ADDR(device->sas_addr), - task, + dev_dbg(dev, "internal task abort: task to dev %016llx task=%p resp: 0x%x sts 0x%x\n", + SAS_ADDR(device->sas_addr), task, task->task_status.resp, /* 0 is complete, -1 is undelivered */ task->task_status.stat); sas_free_task(task); -- GitLab