redonkable/alistair23-linux
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scsi: qla2xxx: Remove aborting ELS IOCB call issued as part of timeout.

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This fix the spinlock recursion issue seen while unloading the driver.

14 [ffff9f2e21e03db8] native_queued_spin_lock_slowpath at ffffffffad0d8802
15 [ffff9f2e21e03dc0] do_raw_spin_lock at ffffffffad0d99e4
16 [ffff9f2e21e03dd8] _raw_spin_lock_irqsave at ffffffffad652471
17 [ffff9f2e21e03e00] qla2x00_els_dcmd_iocb_timeout at ffffffffc070cd63
18 [ffff9f2e21e03e40] qla2x00_sp_timeout at ffffffffc06f06d3 [qla2xxx]
19 [ffff9f2e21e03e68] call_timer_fn at ffffffffad0f97d8
20 [ffff9f2e21e03ed8] run_timer_softirq at ffffffffad0faf47
21 [ffff9f2e21e03f68] __softirqentry_text_start at ffffffffad655f32

Fixes: 6eb54715b5 ("qla2xxx: Added interface to send explicit LOGO.")
Cc: <stable@vger.kernel.org> # 4.10+
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Giridhar Malavali 2017-12-04 14:45:14 -08:00 committed by Martin K. Petersen
parent 5d3300a9b8
commit bf07ef86e8
1 changed files with 0 additions and 10 deletions
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10
drivers/scsi/qla2xxx/qla_iocb.c
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@ -2392,7 +2392,6 @@ qla2x00_els_dcmd_iocb_timeout(void *data)
srb_t *sp = data;
fc_port_t *fcport = sp->fcport;
struct scsi_qla_host *vha = sp->vha;
struct qla_hw_data *ha = vha->hw;
struct srb_iocb *lio = &sp->u.iocb_cmd;
ql_dbg(ql_dbg_io, vha, 0x3069,
@ -2400,15 +2399,6 @@ qla2x00_els_dcmd_iocb_timeout(void *data)
sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
fcport->d_id.b.al_pa);
/* Abort the exchange */
if (ha->isp_ops->abort_command(sp)) {
ql_dbg(ql_dbg_io, vha, 0x3070,
"mbx abort_command failed.\n");
} else {
ql_dbg(ql_dbg_io, vha, 0x3071,
"mbx abort_command success.\n");
}
complete(&lio->u.els_logo.comp);
}