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[SCSI] qla4xxx: Fix CPU lockups when ql4xdontresethba set

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>
Mike Hernandez 13 years ago
parent
commit
9acf753393
1 changed files with 4 additions and 0 deletions
  1. 4 0
      drivers/scsi/qla4xxx/ql4_nx.c

+ 4 - 0
drivers/scsi/qla4xxx/ql4_nx.c

@@ -1836,6 +1836,10 @@ int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha)
 				 * reset handler */
 				dev_init_timeout = jiffies +
 					(ha->nx_dev_init_timeout * HZ);
+			} else {
+				qla4_8xxx_idc_unlock(ha);
+				msleep(1000);
+				qla4_8xxx_idc_lock(ha);
 			}
 			qla4_8xxx_idc_unlock(ha);
 			break;