Commit 3185ea63 authored by wenxiong@linux.vnet.ibm.com's avatar wenxiong@linux.vnet.ibm.com Committed by Christoph Hellwig
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ipr: don't log error messages when applications issues illegal requests 



Failing Device information are logged when IOA firmware detected these
illegal request such as IOA firmware doesn't support inquiry with page
code 2. The patch fixes the issue.

Signed-off-by: default avatarBrian King <brking@linux.vnet.ibm.com>
Tested-by: default avatarWen Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 576b5863

drivers/scsi/ipr.c

+10 −0
Original line number Diff line number Diff line
@@ -2440,6 +2440,7 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, 
{

	u32 ioasc;

	int error_index;

	struct ipr_hostrcb_type_21_error *error;



	if (hostrcb->hcam.notify_type != IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY)

		return;
@@ -2464,6 +2465,15 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, 
	if (!ipr_error_table[error_index].log_hcam)

		return;



	if (ioasc == IPR_IOASC_HW_CMD_FAILED &&

	    hostrcb->hcam.overlay_id == IPR_HOST_RCB_OVERLAY_ID_21) {

		error = &hostrcb->hcam.u.error64.u.type_21_error;



		if (((be32_to_cpu(error->sense_data[0]) & 0x0000ff00) >> 8) == ILLEGAL_REQUEST &&

			ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL)

				return;

	}



	ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error);



	/* Set indication we have logged an error */

drivers/scsi/ipr.h

+1 −0
Original line number Diff line number Diff line
@@ -130,6 +130,7 @@ 
#define IPR_IOASC_HW_DEV_BUS_STATUS			0x04448500

#define	IPR_IOASC_IOASC_MASK			0xFFFFFF00

#define	IPR_IOASC_SCSI_STATUS_MASK		0x000000FF

#define IPR_IOASC_HW_CMD_FAILEd			0x046E0000

#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT	0x05240000

#define IPR_IOASC_IR_RESOURCE_HANDLE		0x05250000

#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA		0x05258100