From: Colin Ian King <colin.k...@canonical.com>
idx can be returned as -ENOSPC, so we should check for this first
before using it as an index into nn->vxlan_usecnt[] to avoid an
out of bounds array offset read.
Signed-off-by: Colin Ian King <colin.k...@canonical.com>
---
drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 1e74b91..88678c1 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -2578,7 +2578,7 @@ static void nfp_net_del_vxlan_port(struct net_device
*netdev,
return;
idx = nfp_net_find_vxlan_idx(nn, ti->port);
- if (!nn->vxlan_usecnt[idx] || idx == -ENOSPC)
+ if (idx == -ENOSPC || !nn->vxlan_usecnt[idx])
return;
if (!--nn->vxlan_usecnt[idx])
--
2.8.1
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