diff options
| author | Eric Dumazet <edumazet@google.com> | 2021-12-07 04:30:33 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-12-08 07:44:59 +0300 |
| commit | 66ce07f7802b68616a008d390f2e6783d68fb79f (patch) | |
| tree | 942ab16704e03d64c74144cc87b599a044a45ced | |
| parent | e44b14ebae1025cff3bef2d78a2e2f6869cefca0 (diff) | |
| download | linux-66ce07f7802b68616a008d390f2e6783d68fb79f.tar.xz | |
ax25: add net device refcount tracker
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/net/ax25.h | 3 | ||||
| -rw-r--r-- | net/ax25/ax25_dev.c | 8 |
2 files changed, 7 insertions, 4 deletions
diff --git a/include/net/ax25.h b/include/net/ax25.h index 03d409de61ad..526e49589197 100644 --- a/include/net/ax25.h +++ b/include/net/ax25.h @@ -229,7 +229,10 @@ struct ctl_table; typedef struct ax25_dev { struct ax25_dev *next; + struct net_device *dev; + netdevice_tracker dev_tracker; + struct net_device *forward; struct ctl_table_header *sysheader; int values[AX25_MAX_VALUES]; diff --git a/net/ax25/ax25_dev.c b/net/ax25/ax25_dev.c index d0a043a51848..256fadb94df3 100644 --- a/net/ax25/ax25_dev.c +++ b/net/ax25/ax25_dev.c @@ -58,7 +58,7 @@ void ax25_dev_device_up(struct net_device *dev) dev->ax25_ptr = ax25_dev; ax25_dev->dev = dev; - dev_hold(dev); + dev_hold_track(dev, &ax25_dev->dev_tracker, GFP_ATOMIC); ax25_dev->forward = NULL; ax25_dev->values[AX25_VALUES_IPDEFMODE] = AX25_DEF_IPDEFMODE; @@ -114,7 +114,7 @@ void ax25_dev_device_down(struct net_device *dev) ax25_dev_list = s->next; spin_unlock_bh(&ax25_dev_lock); dev->ax25_ptr = NULL; - dev_put(dev); + dev_put_track(dev, &ax25_dev->dev_tracker); kfree(ax25_dev); return; } @@ -124,7 +124,7 @@ void ax25_dev_device_down(struct net_device *dev) s->next = ax25_dev->next; spin_unlock_bh(&ax25_dev_lock); dev->ax25_ptr = NULL; - dev_put(dev); + dev_put_track(dev, &ax25_dev->dev_tracker); kfree(ax25_dev); return; } @@ -188,7 +188,7 @@ void __exit ax25_dev_free(void) ax25_dev = ax25_dev_list; while (ax25_dev != NULL) { s = ax25_dev; - dev_put(ax25_dev->dev); + dev_put_track(ax25_dev->dev, &ax25_dev->dev_tracker); ax25_dev = ax25_dev->next; kfree(s); } |