diff options
Diffstat (limited to 'drivers/staging/hv/storvsc_drv.c')
| -rw-r--r-- | drivers/staging/hv/storvsc_drv.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c index 807c94d..e412716 100644 --- a/drivers/staging/hv/storvsc_drv.c +++ b/drivers/staging/hv/storvsc_drv.c @@ -1122,6 +1122,22 @@ static void storvsc_command_completion(struct hv_storvsc_request *request) kmem_cache_free(host_dev->request_pool, cmd_request); } +static bool storvsc_check_scsi_cmd(struct scsi_cmnd *scmnd) +{ + bool allowed = true; + u8 scsi_op = scmnd->cmnd[0]; + + switch (scsi_op) { + /* smartd sends this command, which will offline the device */ + case SET_WINDOW: + scmnd->result = DID_ERROR << 16; + allowed = false; + break; + default: + break; + } + return allowed; +} /* * storvsc_queuecommand - Initiate command processing @@ -1141,6 +1157,10 @@ static int storvsc_queuecommand_lck(struct scsi_cmnd *scmnd, unsigned int sg_count = 0; struct vmscsi_request *vm_srb; + if (storvsc_check_scsi_cmd(scmnd) == false) { + done(scmnd); + return 0; + } /* If retrying, no need to prep the cmd */ if (scmnd->host_scribble) { |
