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1894df0ccb
If we try to overwrite an existing rule with the same filter but different action, we get EEXIST error as shown below. $ ethtool -N eth0 flow-type ether dst <MACADDR> action 1 loc 10 $ ethtool -N eth0 flow-type ether dst <MACADDR> action 2 loc 10 rmgr: Cannot insert RX class rule: File exists The second command is expected to overwrite the previous rule in location 10 and succeed. This patch fixes igc_ethtool_check_nfc_rule() so it also checks the rules location. In case they match, the rule under evaluation should not be considered invalid. Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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.