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| author | Michael Ellerman <michael@ellerman.id.au> | 2005-05-12 17:55:08 +1000 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-05-15 18:08:05 -0400 |
| commit | 41664c03f6c96a1f8a91714309b36f1b5ca85610 (patch) | |
| tree | 42805cf7bf92cf639f4c2e4dba8d1163cb11844b /drivers/net/iseries_veth.c | |
| parent | eb235aef724568ae15af831968000cf9a3974b26 (diff) | |
| download | linux-41664c03f6c96a1f8a91714309b36f1b5ca85610.tar.gz linux-41664c03f6c96a1f8a91714309b36f1b5ca85610.tar.bz2 linux-41664c03f6c96a1f8a91714309b36f1b5ca85610.zip | |
[PATCH] iseries_veth: Don't leak skbs in RX path
Hi Andrew, Jeff,
Under some strange circumstances the iseries_veth driver can leak skbs.
Fix is simply to call dev_kfree_skb() in the right place.
Fix up the comment as well.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Diffstat (limited to 'drivers/net/iseries_veth.c')
| -rw-r--r-- | drivers/net/iseries_veth.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/iseries_veth.c b/drivers/net/iseries_veth.c index 1e869df656c1..1edecb10993d 100644 --- a/drivers/net/iseries_veth.c +++ b/drivers/net/iseries_veth.c @@ -1264,13 +1264,18 @@ static void veth_receive(struct veth_lpar_connection *cnx, vlan = skb->data[9]; dev = veth_dev[vlan]; - if (! dev) - /* Some earlier versions of the driver sent - broadcasts down all connections, even to - lpars that weren't on the relevant vlan. - So ignore packets belonging to a vlan we're - not on. */ + if (! dev) { + /* + * Some earlier versions of the driver sent + * broadcasts down all connections, even to lpars + * that weren't on the relevant vlan. So ignore + * packets belonging to a vlan we're not on. + * We can also be here if we receive packets while + * the driver is going down, because then dev is NULL. + */ + dev_kfree_skb_irq(skb); continue; + } port = (struct veth_port *)dev->priv; dest = *((u64 *) skb->data) & 0xFFFFFFFFFFFF0000; |