diff options
| author | Cong Wang <amwang@redhat.com> | 2013-01-17 12:21:08 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-16 23:33:06 -0500 |
| commit | 5bd30d398792eb6351da2087fe81bbf755900991 (patch) | |
| tree | 035a97bc084cb3b7a01bce30571cbb3301953d3f | |
| parent | 07f623d3b278abe88508c1c59d7c1089b4a56789 (diff) | |
| download | linux-stable-5bd30d398792eb6351da2087fe81bbf755900991.tar.gz linux-stable-5bd30d398792eb6351da2087fe81bbf755900991.tar.bz2 linux-stable-5bd30d398792eb6351da2087fe81bbf755900991.zip | |
netpoll: fix a missing dev refcounting
__dev_get_by_name() doesn't refcount the network device,
so we have to do this by ourselves. Noticed by Eric.
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/core/netpoll.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c index a5ad1c1c4b18..a9b10048388a 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -1056,6 +1056,7 @@ int netpoll_setup(struct netpoll *np) err = -ENODEV; goto unlock; } + dev_hold(ndev); if (netdev_master_upper_dev_get(ndev)) { np_err(np, "%s is a slave device, aborting\n", np->dev_name); |