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Subject[PATCH 4.17 04/18] scsi: qla2xxx: Fix ISP recovery on unload
Date
4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Quinn Tran <quinn.tran@cavium.com>

commit b08abbd9f5996309f021684f9ca74da30dcca36a upstream.

During unload process, the chip can encounter problem where a FW dump would
be captured. For this case, the full reset sequence will be skip to bring
the chip back to full operational state.

Fixes: e315cd28b9ef ("[SCSI] qla2xxx: Code changes for qla data structure refactoring")
Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/scsi/qla2xxx/qla_os.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -6014,8 +6014,9 @@ qla2x00_do_dpc(void *data)
set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
}

- if (test_and_clear_bit(ISP_ABORT_NEEDED,
- &base_vha->dpc_flags)) {
+ if (test_and_clear_bit
+ (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
+ !test_bit(UNLOADING, &base_vha->dpc_flags)) {

ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
"ISP abort scheduled.\n");

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