[dpdk-dev] bonding: fix segfault when primary slave set
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Commit Message
rte_eth_bond_primary_set segfaults for invalid port. This patch moves
devices check before use of internal data.
Fixes: 4c42498d916d ("net/bonding: allow slaves to also be bonded devices")
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
---
drivers/net/bonding/rte_eth_bond_api.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
Comments
On 26/07/2017 4:50 PM, Tomasz Kulasek wrote:
> rte_eth_bond_primary_set segfaults for invalid port. This patch moves
> devices check before use of internal data.
>
> Fixes: 4c42498d916d ("net/bonding: allow slaves to also be bonded devices")
>
> Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
> ---
> drivers/net/bonding/rte_eth_bond_api.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/bonding/rte_eth_bond_api.c b/drivers/net/bonding/rte_eth_bond_api.c
> index 824ab4f..de1d9e0 100644
> --- a/drivers/net/bonding/rte_eth_bond_api.c
> +++ b/drivers/net/bonding/rte_eth_bond_api.c
> @@ -514,15 +514,14 @@
> {
> struct bond_dev_private *internals;
>
> - internals = rte_eth_devices[bonded_port_id].data->dev_private;
> -
> if (valid_bonded_port_id(bonded_port_id) != 0)
> return -1;
>
> + internals = rte_eth_devices[bonded_port_id].data->dev_private;
> +
> if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
> return -1;
>
> -
> internals->user_defined_primary_port = 1;
> internals->primary_port = slave_port_id;
>
>
Acked-by: Declan Doherty <declan.doherty@intel.com>
26/07/2017 19:06, Declan Doherty:
> On 26/07/2017 4:50 PM, Tomasz Kulasek wrote:
> > rte_eth_bond_primary_set segfaults for invalid port. This patch moves
> > devices check before use of internal data.
> >
> > Fixes: 4c42498d916d ("net/bonding: allow slaves to also be bonded devices")
> >
> > Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
>
> Acked-by: Declan Doherty <declan.doherty@intel.com>
Please Declan, review patches from other contributors, thanks
On 7/26/2017 6:06 PM, Declan Doherty wrote:
> On 26/07/2017 4:50 PM, Tomasz Kulasek wrote:
>> rte_eth_bond_primary_set segfaults for invalid port. This patch moves
>> devices check before use of internal data.
>>
>> Fixes: 4c42498d916d ("net/bonding: allow slaves to also be bonded devices")
>>
>> Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
> Acked-by: Declan Doherty <declan.doherty@intel.com>
Applied to dpdk-next-net/master, thanks.
@@ -514,15 +514,14 @@
{
struct bond_dev_private *internals;
- internals = rte_eth_devices[bonded_port_id].data->dev_private;
-
if (valid_bonded_port_id(bonded_port_id) != 0)
return -1;
+ internals = rte_eth_devices[bonded_port_id].data->dev_private;
+
if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
return -1;
-
internals->user_defined_primary_port = 1;
internals->primary_port = slave_port_id;