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rtnl/do_setlink(): set modified when IFLA_TXQLEN is updated

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The only effect of this patch is to print a warning if IFLA_TXQLEN is updated
and a following change fails.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2014-09-01 16:07:26 +02:00 committed by David S. Miller
parent 219c5361e6
commit 5d1180fcac
1 changed files with 8 additions and 2 deletions
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10
net/core/rtnetlink.c
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@ -1611,8 +1611,14 @@ static int do_setlink(const struct sk_buff *skb,
modified = 1;
}
if (tb[IFLA_TXQLEN])
dev->tx_queue_len = nla_get_u32(tb[IFLA_TXQLEN]);
if (tb[IFLA_TXQLEN]) {
unsigned long value = nla_get_u32(tb[IFLA_TXQLEN]);
if (dev->tx_queue_len ^ value)
modified = 1;
dev->tx_queue_len = value;
}
if (tb[IFLA_OPERSTATE])
set_operstate(dev, nla_get_u8(tb[IFLA_OPERSTATE]));