On Fri, 2015-05-08 at 14:48 -0400, Himanshu Madhani wrote:
> From: Saurav Kashyap <saurav.kashyap@xxxxxxxxxx>
>
> This patch fixes a kernel panic for qla2xxx Target core
> Module driver introduced by a fix in the qla2xxx initiator code.
>
> Commit ef86cb2 ("qla2xxx: Mark port lost when we receive an RSCN for it.")
> introduced the regression for qla2xxx Target driver.
>
> Following stack trace will be observed
>
> --- <NMI exception stack> ---
> [ffff88081faa3cc8] _raw_spin_lock_irqsave at ffffffff815b1f03
> [ffff88081faa3cd0] qlt_fc_port_deleted at ffffffffa096ccd0 [qla2xxx]
> [ffff88081faa3d20] qla2x00_schedule_rport_del at ffffffffa0913831[qla2xxx]
> [ffff88081faa3d50] qla2x00_mark_device_lost at ffffffffa09159c5[qla2xxx]
> [ffff88081faa3db0] qla2x00_async_event at ffffffffa0938d59 [qla2xxx]
> [ffff88081faa3e30] qla24xx_msix_default at ffffffffa093a326 [qla2xxx]
> [ffff88081faa3e90] handle_irq_event_percpu at ffffffff810a7b8d
> [ffff88081faa3ee0] handle_irq_event at ffffffff810a7d32
> [ffff88081faa3f10] handle_edge_irq at ffffffff810ab6b9
> [ffff88081faa3f30] handle_irq at ffffffff8100619c
> [ffff88081faa3f70] do_IRQ at ffffffff815b4b1c
> --- <IRQ stack> ---
>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Saurav Kashyap <saurav.kashyap@xxxxxxxxxx>
> Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
[...]
<Not-a-pre-recorded-message>
This is not the correct way to send patches to stable. Please read
Documentation/stable_kernel_rules.txt
Specifically, you have not identified the upstream commit hash.
</Not-a-pre-recorded-message>
Ben.
--
Ben Hutchings
When in doubt, use brute force. - Ken Thompson
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