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commit941c998b42upstream. When HCI_QUIRK_STRICT_DUPLICATE_FILTER is set LE scanning requires periodic restarts of the scanning procedure as the controller would consider device previously found as duplicated despite of RSSI changes, but in order to set the scan timeout properly set le_scan_restart needs to be synchronous so it shall not use hci_cmd_sync_queue which defers the command processing to cmd_sync_work. Cc: stable@vger.kernel.org Link: https://lore.kernel.org/linux-bluetooth/578e6d7afd676129decafba846a933f5@agner.ch/#t Fixes:27d54b778a("Bluetooth: Rework le_scan_restart for hci_sync") Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> 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.