kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

ipr: don't log error messages when applications issues illegal requests

Browse source 
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: Brian King <brking@linux.vnet.ibm.com>
Tested-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
wenxiong@linux.vnet.ibm.com 2014-09-24 16:25:47 -05:00 committed by Christoph Hellwig
parent 576b586303
commit 3185ea6390
2 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/scsi/ipr.c
View file

@ -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 */

1
drivers/scsi/ipr.h
View file

@ -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