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scsi: megaraid_sas: Return pended IOCTLs with cmd_status MFI_STAT_WRONG_STATE in case adapter is dead 

After a kill adapter, since the cmd_status is not set, the IOCTLs will
be hung in driver resulting in application hang.  Set cmd_status
MFI_STAT_WRONG_STATE when completing pended IOCTLs.

Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Cc: stable@vger.kernel.org
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Shivasharan S 2017-08-23 04:47:04 -07:00 committed by Martin K. Petersen
parent def3e8dfe9
commit eb3fe263a4
1 changed files with 4 additions and 1 deletions
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5
drivers/scsi/megaraid/megaraid_sas_base.c
View File

@ -1996,9 +1996,12 @@ static void megasas_complete_outstanding_ioctls(struct megasas_instance *instanc
if (cmd_fusion->sync_cmd_idx != (u32)ULONG_MAX) {
cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx];
if (cmd_mfi->sync_cmd &&
cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT)
(cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT)) {
cmd_mfi->frame->hdr.cmd_status =
MFI_STAT_WRONG_STATE;
megasas_complete_cmd(instance,
cmd_mfi, DID_OK);
}
}
}
} else {