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If the CREATE ADDR sent by qeth_l3_iqd_read_initial_mac() fails, its callback sets a random MAC address on the net_device. The error then propagates back, and qeth_l3_setup_netdev() bails out without registering the net_device. Any subsequent call to qeth_l3_setup_netdev() will then attempt a fresh CREATE ADDR which either 1) also fails, or 2) sets a proper MAC address on the net_device. Consequently, the net_device will never be registered with a random MAC and we can drop the fallback code. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.