diff options
| author |   Ying Xue <ying.xue@windriver.com> | 2015-05-15 12:53:21 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-05-15 21:20:16 -0400 |
| commit | 1f9993f6825f9cb93f75f794b66e7428dfc72467 (patch) | |
| tree | 90e8005805a0d73bbb3c401899930dbeb39ed914 /drivers/net | |
| parent | net: macb: Add better comment for RXUBR handling (diff) | |
| download | linux-dev-1f9993f6825f9cb93f75f794b66e7428dfc72467.tar.xz linux-dev-1f9993f6825f9cb93f75f794b66e7428dfc72467.zip | |
rocker: fix a neigh entry leak issue
Once we get a neighbour through looking up arp cache or creating a
new one in rocker_port_ipv4_resolve(), the neighbour's refcount is
already taken. But as we don't put the refcount again after it's
used, this makes the neighbour entry leaked.
Suggested-by: Eric Dumazet <edumazet@google.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/rocker/rocker.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index ec251531bd9f..cf98cc9bbc8d 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -2921,10 +2921,11 @@ static int rocker_port_ipv4_resolve(struct rocker_port *rocker_port, struct neighbour *n = __ipv4_neigh_lookup(dev, (__force u32)ip_addr); int err = 0; - if (!n) + if (!n) { n = neigh_create(&arp_tbl, &ip_addr, dev); - if (!n) - return -ENOMEM; + if (IS_ERR(n)) + return IS_ERR(n); + } /* If the neigh is already resolved, then go ahead and * install the entry, otherwise start the ARP process to @@ -2936,6 +2937,7 @@ static int rocker_port_ipv4_resolve(struct rocker_port *rocker_port, else neigh_event_send(n, NULL); + neigh_release(n); return err; } |