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authorQuinn Tran <quinn.tran@cavium.com>2018-09-27 08:05:16 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2018-09-28 03:15:05 +0300
commit710bc78f829d014eca95ed7ccc4052bc064b1320 (patch)
treece66cb12eba09071eeb9e67ed276a3bc4d7a8bfb /drivers/scsi/qla2xxx
parent39553065f77c297239308470ee313841f4e07db4 (diff)
downloadlinux-710bc78f829d014eca95ed7ccc4052bc064b1320.tar.xz
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.c2
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");