net: sched: cls_u32: simplify the hell out u32_delete() emptiness check

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Now that we have the knode count, we can instantly check if
any hnodes are non-empty.  And that kills the check for extra
references to root hnode - those could happen only if there was
a knode to carry such a link.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Al Viro 2018-10-08 06:22:44 -04:00 • committed by David S. Miller

parent b245d32c99

commit a030598690

1 changed files with 1 additions and 47 deletions

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net/sched/cls_u32.c

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