Vasundhara Volam 21d6a11e2c bnxt_en: Fix regression in workqueue cleanup logic in bnxt_remove_one().
A recent patch has moved the workqueue cleanup logic before
calling unregister_netdev() in bnxt_remove_one().  This caused a
regression because the workqueue can be restarted if the device is
still open.  Workqueue cleanup must be done after unregister_netdev().
The workqueue will not restart itself after the device is closed.

Call bnxt_cancel_sp_work() after unregister_netdev() and
call bnxt_dl_fw_reporters_destroy() after that.  This fixes the
regession and the original NULL ptr dereference issue.

Fixes: b16939b59cc0 ("bnxt_en: Fix NULL ptr dereference crash in bnxt_fw_reset_task()")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-26 18:26:35 -07:00
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