From 3cb4fc1fcae9647c594bc2b8fda1b818f4fb757f Mon Sep 17 00:00:00 2001 From: Gabriel Krisman Bertazi Date: Wed, 19 Aug 2015 11:47:05 -0300 Subject: [PATCH] ipr: Inhibit underlength data check for AFDASD in raw mode. Disable underlength error verification based on count of bytes actually transferred for AF DASD devices when SIS pipe mode is enabled. This avoids unexpected underlength errors when issuing some commands in raw mode. Signed-off-by: Gabriel Krisman Bertazi Reviewed-by: Wen Xiong Acked-by: Brian King Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 341191952155..ba16dd79f451 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -6383,9 +6383,13 @@ static int ipr_queuecommand(struct Scsi_Host *shost, (!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE)) { ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; } - if (res->raw_mode && ipr_is_af_dasd_device(res)) + if (res->raw_mode && ipr_is_af_dasd_device(res)) { ioarcb->cmd_pkt.request_type = IPR_RQTYPE_PIPE; + if (scsi_cmd->underflow == 0) + ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; + } + if (ioa_cfg->sis64) rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd); else -- 2.20.1