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[ Upstream commit21d6a11e2c] 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:b16939b59c("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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.