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| author | Eric Dumazet <edumazet@google.com> | 2021-12-04 20:22:03 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-12-06 16:05:10 -0800 |
| commit | 9038c320001dd07f60736018edf608ac5baca0ab (patch) | |
| tree | fea21a92f9a586370c4c85a5aab4adca4c160e7f /net/ipv6 | |
| parent | 4dbd24f65c60259ce5d1563433ecaf5fab693c83 (diff) | |
| download | lwn-9038c320001dd07f60736018edf608ac5baca0ab.tar.gz lwn-9038c320001dd07f60736018edf608ac5baca0ab.zip | |
net: dst: add net device refcount tracking to dst_entry
We want to track all dev_hold()/dev_put() to ease leak hunting.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/route.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index f0d29fcb2094..ba4dc94d76d6 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -182,8 +182,9 @@ static void rt6_uncached_list_flush_dev(struct net *net, struct net_device *dev) if (rt_dev == dev) { rt->dst.dev = blackhole_netdev; - dev_hold(rt->dst.dev); - dev_put(rt_dev); + dev_replace_track(rt_dev, blackhole_netdev, + &rt->dst.dev_tracker, + GFP_ATOMIC); } } spin_unlock_bh(&ul->lock); |