diff options
| author | Nicolas Dichtel <nicolas.dichtel@6wind.com> | 2014-09-01 16:07:26 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-02 12:57:04 -0700 |
| commit | 5d1180fcacc5ceb7da5494acfe9c5e4ebad4f281 (patch) | |
| tree | 53b8ef9d0134ede6109146624ae8e679ebccae83 /net | |
| parent | 219c5361e625186c21f3e1bc7bc67cd7dac50ca9 (diff) | |
rtnl/do_setlink(): set modified when IFLA_TXQLEN is updated
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/rtnetlink.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index f0493e3b7471..5bbaf74bf457 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -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])); |