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* [PATCH net-next] liquidio: fix PF falsely indicating success at setting MAC address of a nonexistent VF
@ 2017-05-16 18:28 Felix Manlunas
  2017-05-17 18:50 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Felix Manlunas @ 2017-05-16 18:28 UTC (permalink / raw)
  To: davem; +Cc: netdev, raghu.vatsavayi, derek.chickles, satananda.burla

In the function assigned to .ndo_set_vf_mac, check the validity of the
vfidx argument before proceeding to tell the firmware to set the VF MAC
address.

Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Derek Chickles <derek.chickles@cavium.com>
---
 drivers/net/ethernet/cavium/liquidio/lio_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index 927617c..eed6ff0 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -3694,6 +3694,9 @@ static int liquidio_set_vf_mac(struct net_device *netdev, int vfidx, u8 *mac)
 	struct octeon_device *oct = lio->oct_dev;
 	int retval;
 
+	if (vfidx < 0 || vfidx >= oct->sriov_info.num_vfs_alloced)
+		return -EINVAL;
+
 	retval = __liquidio_set_vf_mac(netdev, vfidx, mac, true);
 	if (!retval)
 		cn23xx_tell_vf_its_macaddr_changed(oct, vfidx, mac);

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH net-next] liquidio: fix PF falsely indicating success at setting MAC address of a nonexistent VF
  2017-05-16 18:28 [PATCH net-next] liquidio: fix PF falsely indicating success at setting MAC address of a nonexistent VF Felix Manlunas
@ 2017-05-17 18:50 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2017-05-17 18:50 UTC (permalink / raw)
  To: felix.manlunas; +Cc: netdev, raghu.vatsavayi, derek.chickles, satananda.burla

From: Felix Manlunas <felix.manlunas@cavium.com>
Date: Tue, 16 May 2017 11:28:00 -0700

> In the function assigned to .ndo_set_vf_mac, check the validity of the
> vfidx argument before proceeding to tell the firmware to set the VF MAC
> address.
> 
> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
> Signed-off-by: Derek Chickles <derek.chickles@cavium.com>

Applied.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2017-05-16 18:28 [PATCH net-next] liquidio: fix PF falsely indicating success at setting MAC address of a nonexistent VF Felix Manlunas
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