net: introduce helper dev_change_tx_queue_len()

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This patch promotes the local change_tx_queue_len() to a core
helper function, dev_change_tx_queue_len(), so that rtnetlink
and net-sysfs could share the code. This also prepares for the
following patch.

Note, the -EFAULT in the original code doesn't make sense,
we should propagate the errno from notifiers.

Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Cong Wang 2018-01-25 18:26:22 -08:00 • committed by David S. Miller

parent 4cd879515d

commit 6a643ddb56

4 changed files with 35 additions and 37 deletions

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include/linux/netdevice.h

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