diff options
-rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.c | 1 | ||||
-rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.h | 1 | ||||
-rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_ctl.c | 4 | ||||
-rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_scsih.c | 31 |
4 files changed, 33 insertions, 4 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index f00ef88a378a..722fab983d2b 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -5522,6 +5522,7 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) goto out_free_resources; ioc->non_operational_loop = 0; + ioc->got_task_abort_from_ioctl = 0; return 0; out_free_resources: diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index 394fe1338d09..5c1387780cc7 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -988,6 +988,7 @@ struct MPT3SAS_ADAPTER { u8 broadcast_aen_busy; u16 broadcast_aen_pending; u8 shost_recovery; + u8 got_task_abort_from_ioctl; struct mutex reset_in_progress_mutex; spinlock_t ioc_reset_in_progress_lock; diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 95f0f24bac05..02fe1c4aae2f 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -826,16 +826,18 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, "TASK_MGMT: handle(0x%04x), task_type(0x%02x)\n", ioc->name, le16_to_cpu(tm_request->DevHandle), tm_request->TaskType)); - + ioc->got_task_abort_from_ioctl = 1; if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK || tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) { if (_ctl_set_task_mid(ioc, &karg, tm_request)) { mpt3sas_base_free_smid(ioc, smid); + ioc->got_task_abort_from_ioctl = 0; goto out; } } + ioc->got_task_abort_from_ioctl = 0; if (test_bit(device_handle, ioc->device_remove_in_progress)) { dtmprintk(ioc, pr_info(MPT3SAS_FMT diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 8f524a25bbaf..b8cd0a1050d1 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -1074,6 +1074,26 @@ _scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid) } /** + * __scsih_scsi_lookup_get_clear - returns scmd entry without + * holding any lock. + * @ioc: per adapter object + * @smid: system request message index + * + * Returns the smid stored scmd pointer. + * Then will dereference the stored scmd pointer. + */ +static inline struct scsi_cmnd * +__scsih_scsi_lookup_get_clear(struct MPT3SAS_ADAPTER *ioc, + u16 smid) +{ + struct scsi_cmnd *scmd = NULL; + + swap(scmd, ioc->scsi_lookup[smid - 1].scmd); + + return scmd; +} + +/** * _scsih_scsi_lookup_get_clear - returns scmd entry * @ioc: per adapter object * @smid: system request message index @@ -1088,8 +1108,7 @@ _scsih_scsi_lookup_get_clear(struct MPT3SAS_ADAPTER *ioc, u16 smid) struct scsi_cmnd *scmd; spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - scmd = ioc->scsi_lookup[smid - 1].scmd; - ioc->scsi_lookup[smid - 1].scmd = NULL; + scmd = __scsih_scsi_lookup_get_clear(ioc, smid); spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); return scmd; @@ -4646,7 +4665,13 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) unsigned long flags; mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); - scmd = _scsih_scsi_lookup_get_clear(ioc, smid); + + if (ioc->broadcast_aen_busy || ioc->pci_error_recovery || + ioc->got_task_abort_from_ioctl) + scmd = _scsih_scsi_lookup_get_clear(ioc, smid); + else + scmd = __scsih_scsi_lookup_get_clear(ioc, smid); + if (scmd == NULL) return 1; |