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[ Upstream commit108b3c7810] Currently, if function adds an existing unicast mac address, eventhough driver will not add this address into hardware, but it will return 0 in function hclge_add_uc_addr_common(). It will cause the state of this unicast mac address is ACTIVE in driver, but it should be in TO-ADD state. To fix this problem, function hclge_add_uc_addr_common() returns -EEXIST if mac address is existing, and delete two error log to avoid printing them all the time after this modification. Fixes:72110b5674("net: hns3: return 0 and print warning when hit duplicate MAC") Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> 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.