[PATCH 4.4 15/25] scsi: ibmvfc: Fix I/O hang when port is not mapped

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Brian King commit 07d0e9a847401ffd2f09bd450d41644cd090e81d upstream. If a VFC port gets unmapped in the VIOS, it may not respond with a CRQ init complete following

[PATCH 4.4 15/25] scsi: ibmvfc: Fix I/O hang when port is not mapped

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Brian King commit 07d0e9a847401ffd2f09bd450d41644cd090e81d upstream. If a VFC port gets unmapped in the VIOS, it may not respond with a CRQ init complete following H_REG_CRQ. If this occurs,