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eb2d79333f
commit 3fa840230f534385b34a4f39c8dd313fbe723f05 upstream.
Make sure to drop the reference to the ptp device taken by
of_find_device_by_node() when querying the time stamping capabilities.
Note that holding a reference to the ptp device does not prevent its
driver data from going away.
Fixes: 17ae0b0ee9 ("dpaa_eth: add the get_ts_info interface for ethtool")
Cc: stable@vger.kernel.org # 4.19
Cc: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250725171213.880-2-johan@kernel.org
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.