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authorPatrick McHardy <kaber@trash.net>2008-11-28 03:05:19 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-28 03:05:19 -0800
commitea5693ccc553951ae44cb963b28cce85edc275c9 (patch)
tree44ca6da57e63035537d01cf58c24837067c2ec26 /net/sched
parented77a89c30fa03dcb234a84ddea710b3fb7b62da (diff)
netlink: allow empty nested attributes
validate_nla() currently doesn't allow empty nested attributes. This makes userspace code unnecessarily complicated when starting and ending the nested attribute is done by generic upper level code and the inner attributes are dumped by a module. Add a special case to accept empty nested attributes. When the nested attribute is non empty, the same checks as before are performed. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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