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| author |   Li RongQing <lirongqing@baidu.com> | 2018-12-06 16:28:11 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-12-06 12:15:53 -0800 |
| commit | 5c327f673d2f134ac01c068b511c6ab816b4b41c (patch) | |
| tree | 97164dfb9799a6cf4e1cfeb6c6d35cd0d60efb8f /drivers/net/tun.c | |
| parent | tun: align write-heavy flow entry members to a cache line (diff) | |
| download | linux-dev-5c327f673d2f134ac01c068b511c6ab816b4b41c.tar.xz linux-dev-5c327f673d2f134ac01c068b511c6ab816b4b41c.zip | |
tun: remove unnecessary check in tun_flow_update
caller has guaranted that rxhash is not zero
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/tun.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index d0745dc81976..6760b86547df 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -529,10 +529,7 @@ static void tun_flow_update(struct tun_struct *tun, u32 rxhash, unsigned long delay = tun->ageing_time; u16 queue_index = tfile->queue_index; - if (!rxhash) - return; - else - head = &tun->flows[tun_hashfn(rxhash)]; + head = &tun->flows[tun_hashfn(rxhash)]; rcu_read_lock(); |