diff options
author | Quinn Tran <quinn.tran@cavium.com> | 2018-09-27 07:05:16 +0200 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-09-28 02:15:05 +0200 |
commit | 710bc78f829d014eca95ed7ccc4052bc064b1320 (patch) | |
tree | ce66cb12eba09071eeb9e67ed276a3bc4d7a8bfb /drivers/scsi/qla2xxx | |
parent | scsi: qla2xxx: Fix driver hang when FC-NVMe LUNs are configured (diff) | |
download | linux-710bc78f829d014eca95ed7ccc4052bc064b1320.tar.xz linux-710bc78f829d014eca95ed7ccc4052bc064b1320.zip |
scsi: qla2xxx: Fix recursive mailbox timeout
This patch prevents user space mailbox request from doing chip reset if the
mailbox timed out. The chip reset is only reserved for the DPC thread to
ensure all mailbox requests are flushed properly. The DPC thread is
responsible for the flushing all MBs and chip reset.
Fixes: b2000805a975 ("scsi: qla2xxx: Flush mailbox commands on chip reset")
Cc: <stable@ger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index e016ee9c6d8e..bd8c86aeccc2 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -518,7 +518,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); } - } else if (!abort_active) { + } else if (current == ha->dpc_thread) { /* call abort directly since we are in the DPC thread */ ql_dbg(ql_dbg_mbx, vha, 0x101d, "Timeout, calling abort_isp.\n"); |