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[SCSI] qla4xxx: Fix CPU lockups when ql4xdontresethba set

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Fix issue where CPU lockup is seen when ql4xdontresethba is set and
driver is "stuck" in NEED_RESET state handler.

Signed-off-by: Mike Hernandez <michael.hernandez@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:
Mike Hernandez 2011-12-01 22:42:07 -08:00 committed by James Bottomley
parent 4c6a794d2c
commit 9acf753393
1 changed files with 4 additions and 0 deletions
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4
drivers/scsi/qla4xxx/ql4_nx.c
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@ -1836,6 +1836,10 @@ int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha)
* reset handler */ * reset handler */
dev_init_timeout = jiffies + dev_init_timeout = jiffies +
(ha->nx_dev_init_timeout * HZ); (ha->nx_dev_init_timeout * HZ);
} else {
qla4_8xxx_idc_unlock(ha);
msleep(1000);
qla4_8xxx_idc_lock(ha);
} }
qla4_8xxx_idc_unlock(ha); qla4_8xxx_idc_unlock(ha);
break; break;