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[SCSI] qla4xxx: Correct the validation to check in get_sys_info mailbox

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Check mbox_sts[3] instead of mbox_sts[4] for ISP83xx to validate size
of data returned

Signed-off-by: Nilesh Javali <nilesh.javali@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Nilesh Javali 2012-12-29 02:24:53 -05:00 committed by James Bottomley
parent e951aca1be
commit e19dd66f10
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/qla4xxx/ql4_nx.c
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@ -3427,11 +3427,11 @@ int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha)
} }
/* Make sure we receive the minimum required data to cache internally */ /* Make sure we receive the minimum required data to cache internally */
if (mbox_sts[4] < offsetof(struct mbx_sys_info, reserved)) { if ((is_qla8032(ha) ? mbox_sts[3] : mbox_sts[4]) <
offsetof(struct mbx_sys_info, reserved)) {
DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO data receive" DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO data receive"
" error (%x)\n", ha->host_no, __func__, mbox_sts[4])); " error (%x)\n", ha->host_no, __func__, mbox_sts[4]));
goto exit_validate_mac82; goto exit_validate_mac82;
} }
/* Save M.A.C. address & serial_number */ /* Save M.A.C. address & serial_number */