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16a2826777
All callers already initialise ->flowi4_scope with RT_SCOPE_UNIVERSE, either by manual field assignment, memset(0) of the whole structure or implicit structure initialisation of on-stack variables (RT_SCOPE_UNIVERSE actually equals 0). Therefore, we don't need to always initialise ->flowi4_scope in ip_rt_fix_tos(). We only need to reduce the scope to RT_SCOPE_LINK when the special RTO_ONLINK flag is present in the tos. This will allow some code simplification, like removing ip_rt_fix_tos(). Also, the long term idea is to remove RTO_ONLINK entirely by properly initialising ->flowi4_scope, instead of overloading ->flowi4_tos with a special flag. Eventually, this will allow to convert ->flowi4_tos to dscp_t. Signed-off-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: David Ahern <dsahern@kernel.org> 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.