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-rw-r--r--net/ncsi/ncsi-rsp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c
index ce9497966ebe..a6b7c7d5c829 100644
--- a/net/ncsi/ncsi-rsp.c
+++ b/net/ncsi/ncsi-rsp.c
@@ -347,7 +347,7 @@ static int ncsi_rsp_handler_svf(struct ncsi_request *nr)
cmd = (struct ncsi_cmd_svf_pkt *)skb_network_header(nr->cmd);
ncf = &nc->vlan_filter;
- if (cmd->index > ncf->n_vids)
+ if (cmd->index == 0 || cmd->index > ncf->n_vids)
return -ERANGE;
/* Add or remove the VLAN filter. Remember HW indexes from 1 */
@@ -445,7 +445,8 @@ static int ncsi_rsp_handler_sma(struct ncsi_request *nr)
ncf = &nc->mac_filter;
bitmap = &ncf->bitmap;
- if (cmd->index > ncf->n_uc + ncf->n_mc + ncf->n_mixed)
+ if (cmd->index == 0 ||
+ cmd->index > ncf->n_uc + ncf->n_mc + ncf->n_mixed)
return -ERANGE;
index = (cmd->index - 1) * ETH_ALEN;