diff options
| 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/core | |
| parent | 4dbd24f65c60259ce5d1563433ecaf5fab693c83 (diff) | |
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/core')
| -rw-r--r-- | net/core/dst.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/core/dst.c b/net/core/dst.c index 497ef9b3fc6a..d16c2c9bfebd 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -49,7 +49,7 @@ void dst_init(struct dst_entry *dst, struct dst_ops *ops, unsigned short flags) { dst->dev = dev; - dev_hold(dev); + dev_hold_track(dev, &dst->dev_tracker, GFP_ATOMIC); dst->ops = ops; dst_init_metrics(dst, dst_default_metrics.metrics, true); dst->expires = 0UL; @@ -117,7 +117,7 @@ struct dst_entry *dst_destroy(struct dst_entry * dst) if (dst->ops->destroy) dst->ops->destroy(dst); - dev_put(dst->dev); + dev_put_track(dst->dev, &dst->dev_tracker); lwtstate_put(dst->lwtstate); @@ -159,8 +159,8 @@ void dst_dev_put(struct dst_entry *dst) dst->input = dst_discard; dst->output = dst_discard_out; dst->dev = blackhole_netdev; - dev_hold(dst->dev); - dev_put(dev); + dev_replace_track(dev, blackhole_netdev, &dst->dev_tracker, + GFP_ATOMIC); } EXPORT_SYMBOL(dst_dev_put); |