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| author | Sreekanth Reddy <sreekanth.reddy@broadcom.com> | 2022-08-16 13:38:01 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-09-01 00:08:35 -0400 |
| commit | e75c8ea0d73bebdbff3ceb51f55fd735cb232d86 (patch) | |
| tree | 55de79390401cede1f49d8ce1c9435944bcc117d | |
| parent | 48658213202c4f48ef34b43b9b6f60af8b67fb8a (diff) | |
| download | linux-e75c8ea0d73bebdbff3ceb51f55fd735cb232d86.tar.gz linux-e75c8ea0d73bebdbff3ceb51f55fd735cb232d86.tar.bz2 linux-e75c8ea0d73bebdbff3ceb51f55fd735cb232d86.zip | |
scsi: mpt3sas: Prevent error handler escalation when device removed
If SCSI error handling is taking place for timed out I/Os on a drive and
the corresponding drive is removed, then stop escalating to higher level of
reset by returning the TUR with "I_T NEXUS LOSS OCCURRED" sense key.
Link: https://lore.kernel.org/r/20220816080801.13929-1-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_scsih.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 3507e2ace903..514ae8f5afa3 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -5156,6 +5156,19 @@ scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) /* invalid device handle */ handle = sas_target_priv_data->handle; + + /* + * Avoid error handling escallation when device is disconnected + */ + if (handle == MPT3SAS_INVALID_DEVICE_HANDLE || sas_device_priv_data->block) { + if (scmd->device->host->shost_state == SHOST_RECOVERY && + scmd->cmnd[0] == TEST_UNIT_READY) { + scsi_build_sense(scmd, 0, UNIT_ATTENTION, 0x29, 0x07); + scsi_done(scmd); + return 0; + } + } + if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) { scmd->result = DID_NO_CONNECT << 16; scsi_done(scmd); |