scsi: qla2xxx: Fix ISP recovery on unload

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>

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 2cd2e5ccce15d09b2ccb3f9eea4a388421511403..1fbd16c8c9a7b1db0e12334468dc177625e57871 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -6020,8 +6020,9 @@ 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");