David S. Miller b7058842c9 net: Make setsockopt() optlen be unsigned. ...

This provides safety against negative optlen at the type
level instead of depending upon (sometimes non-trivial)
checks against this sprinkled all over the the place, in
each and every implementation.

Based upon work done by Arjan van de Ven and feedback
from Linus Torvalds.

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

2009-09-30 16:12:20 -07:00

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