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Matt Vollrath f81cfec12c i40e: Cleanup PTP pins on probe failure 
commit 678b713ece upstream.

PTP pin structs are allocated early in probe, but never cleaned up.

Fix this by calling i40e_ptp_free_pins in the error path.

To support this, i40e_ptp_free_pins is added to the header and
pin_config is correctly nullified after being freed.

This has been an issue since i40e_ptp_alloc_pins was introduced.

Fixes: 1050713026 ("i40e: add support for PTP external synchronization clock")
Reported-by: Kohei Enju <kohei@enjuk.jp>
Cc: stable@vger.kernel.org
Signed-off-by: Matt Vollrath <tactii@gmail.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Kohei Enju <kohei@enjuk.jp>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20260506-jk-iwl-net-2026-05-04-v2-2-a5ea4dc837a9@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-06-01 17:35:44 +02:00
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README 

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.