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authorEric Dumazet <edumazet@google.com>2021-12-04 20:22:17 -0800
committerJakub Kicinski <kuba@kernel.org>2021-12-06 16:06:02 -0800
commit5fa5ae605821e0e10ee489d9a6e331fd287ccc57 (patch)
tree54ecbe3957c2a4ea0edf2134b2a7272546fdd9ce
parentipmr, ip6mr: add net device refcount tracker to struct vif_device (diff)
downloadlinux-dev-5fa5ae605821e0e10ee489d9a6e331fd287ccc57.tar.xz
linux-dev-5fa5ae605821e0e10ee489d9a6e331fd287ccc57.zip
netpoll: add net device refcount tracker to struct netpoll
Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/netconsole.c2
-rw-r--r--include/linux/netpoll.h1
-rw-r--r--net/core/netpoll.c4
3 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index ccecba908ded..ab8cd5551020 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -721,7 +721,7 @@ restart:
__netpoll_cleanup(&nt->np);
spin_lock_irqsave(&target_list_lock, flags);
- dev_put(nt->np.dev);
+ dev_put_track(nt->np.dev, &nt->np.dev_tracker);
nt->np.dev = NULL;
nt->enabled = false;
stopped = true;
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index e6a2d72e0dc7..bd19c4b91e31 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -24,6 +24,7 @@ union inet_addr {
struct netpoll {
struct net_device *dev;
+ netdevice_tracker dev_tracker;
char dev_name[IFNAMSIZ];
const char *name;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index edfc0f8011f8..db724463e7cd 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -776,7 +776,7 @@ put_noaddr:
err = __netpoll_setup(np, ndev);
if (err)
goto put;
-
+ netdev_tracker_alloc(ndev, &np->dev_tracker, GFP_KERNEL);
rtnl_unlock();
return 0;
@@ -853,7 +853,7 @@ void netpoll_cleanup(struct netpoll *np)
if (!np->dev)
goto out;
__netpoll_cleanup(np);
- dev_put(np->dev);
+ dev_put_track(np->dev, &np->dev_tracker);
np->dev = NULL;
out:
rtnl_unlock();