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authorEric Dumazet <edumazet@google.com>2021-12-06 17:30:34 -0800
committerJakub Kicinski <kuba@kernel.org>2021-12-07 20:44:59 -0800
commit615d069dcf1207462ce30c05a2f47d461be8f6c8 (patch)
treeb40e9553339b264bccd7e861e78dedfe5f23dabb /net/llc
parent66ce07f7802b68616a008d390f2e6783d68fb79f (diff)
llc: add net device refcount tracker
Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/llc')
-rw-r--r--net/llc/af_llc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 3086f4a6ae68..26c00ebf4fba 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -224,7 +224,7 @@ static int llc_ui_release(struct socket *sock)
} else {
release_sock(sk);
}
- dev_put(llc->dev);
+ dev_put_track(llc->dev, &llc->dev_tracker);
sock_put(sk);
llc_sk_free(sk);
out:
@@ -295,6 +295,7 @@ static int llc_ui_autobind(struct socket *sock, struct sockaddr_llc *addr)
llc->dev = dev_getfirstbyhwtype(&init_net, addr->sllc_arphrd);
if (!llc->dev)
goto out;
+ netdev_tracker_alloc(llc->dev, &llc->dev_tracker, GFP_KERNEL);
rc = -EUSERS;
llc->laddr.lsap = llc_ui_autoport();
if (!llc->laddr.lsap)
@@ -362,7 +363,7 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
} else
llc->dev = dev_getbyhwaddr_rcu(&init_net, addr->sllc_arphrd,
addr->sllc_mac);
- dev_hold(llc->dev);
+ dev_hold_track(llc->dev, &llc->dev_tracker, GFP_ATOMIC);
rcu_read_unlock();
if (!llc->dev)
goto out;