Pauli Virtanen 6edb171845 Bluetooth: hci_core: fix list_for_each_entry_rcu usage
[ Upstream commit 308a3a8ce8ea41b26c46169f3263e50f5997c28e ]

Releasing + re-acquiring RCU lock inside list_for_each_entry_rcu() loop
body is not correct.

Fix by taking the update-side hdev->lock instead.

Fixes: c7eaf80bfb ("Bluetooth: Fix hci_link_tx_to RCU lock usage")
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-06-19 15:28:37 +02:00
2022-09-28 09:02:20 +02:00
2025-06-04 14:42:26 +02:00

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.
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