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Commit c8582ad9 authored by Saurav Kashyap's avatar Saurav Kashyap Committed by James Bottomley
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[SCSI] qla2xxx: Prevent CPU lockups when "ql2xdontresethba" module param is set. 



Driver is not releasing the lock if ql2xdontresethba is set, this might lead
to a lockup.

Signed-off-by: default avatarSaurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: default avatarChad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 999916dc

drivers/scsi/qla2xxx/qla_nx.c

+8 −3
Original line number Diff line number Diff line
@@ -3763,6 +3763,11 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha) 
		case QLA82XX_DEV_NEED_RESET:

			if (!ql2xdontresethba)

				qla82xx_need_reset_handler(vha);

			else {

				qla82xx_idc_unlock(ha);

				msleep(1000);

				qla82xx_idc_lock(ha);

			}

			dev_init_timeout = jiffies +

			    (ha->nx_dev_init_timeout * HZ);

			break;