id S. Miller <davem@sunset.davemloft.net> 1160639355 -0700

[NET]: Do not memcmp() over pad bytes of struct flowi.

They are not necessarily initialized to zero by the compiler,
for example when using run-time initializers of automatic
on-stack variables.

Noticed by Eric Dumazet and Patrick McHardy.

Signed-off-by: David S. Miller <davem@davemloft.net>
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