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[ Upstream commit 78e3639fc8031275010c3287ac548c0bc8de83b1 ] The "pending connections" feature was originally introduced with commit4c67bc74f0("[Bluetooth] Support concurrent connect requests") and6bd5741612("[Bluetooth] Handling pending connect attempts after inquiry") to handle controllers supporting only a single connection request at a time. Later things were extended to also cancel ongoing inquiries on connect() with commit89e65975fe("Bluetooth: Cancel Inquiry before Create Connection"). With commita9de924806("[Bluetooth] Switch from OGF+OCF to using only opcodes"), hci_conn_check_pending() was introduced as a helper to consolidate a few places where we check for pending connections (indicated by the BT_CONNECT2 flag) and then try to connect. This refactoring commit also snuck in two more calls to hci_conn_check_pending(): - One is in the failure callback of hci_cs_inquiry(), this one probably makes sense: If we send an "HCI Inquiry" command and then immediately after a "Create Connection" command, the "Create Connection" command might fail before the "HCI Inquiry" command, and then we want to retry the "Create Connection" on failure of the "HCI Inquiry". - The other added call to hci_conn_check_pending() is in the event handler for the "Remote Name" event, this seems unrelated and is possibly a copy-paste error, so remove that one. Fixes:a9de924806("[Bluetooth] Switch from OGF+OCF to using only opcodes") Signed-off-by: Jonas Dreßler <verdre@v0yd.nl> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.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.