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[SCSI] qla2xxx: Correct out of bounds read of ISP2200 mailbox registers. 

ISP2200 adapters only have 24 mailbox registers so read only that many.

Reported-by: Olatunji Ruwase <oor@cs.cmu.edu>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Andrew Vasquez 2012-02-09 11:14:08 -08:00 committed by James Bottomley
parent 7cb0eb1c17
commit 67ddda353c
2 changed files with 2 additions and 1 deletions
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1
drivers/scsi/qla2xxx/qla_def.h
View File

@ -44,6 +44,7 @@
* ISP2100 HBAs.
*/
#define MAILBOX_REGISTER_COUNT_2100 8
#define MAILBOX_REGISTER_COUNT_2200 24
#define MAILBOX_REGISTER_COUNT 32
#define QLA2200A_RISC_ROM_VER 4

2
drivers/scsi/qla2xxx/qla_os.c
View File

@ -2054,7 +2054,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ha->nvram_data_off = ~0;
ha->isp_ops = &qla2100_isp_ops;
} else if (IS_QLA2200(ha)) {
ha->mbx_count = MAILBOX_REGISTER_COUNT;
ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
req_length = REQUEST_ENTRY_CNT_2200;
rsp_length = RESPONSE_ENTRY_CNT_2100;
ha->max_loop_id = SNS_LAST_LOOP_ID_2100;