diff options
Diffstat (limited to 'drivers/net/ethernet/amazon/ena/ena_eth_com.c')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_eth_com.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_com.c b/drivers/net/ethernet/amazon/ena/ena_eth_com.c index f999305e1363..b11e573ad57a 100644 --- a/drivers/net/ethernet/amazon/ena/ena_eth_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_eth_com.c @@ -493,6 +493,11 @@ int ena_com_tx_comp_req_id_get(struct ena_com_io_cq *io_cq, u16 *req_id) if (cdesc_phase != expected_phase) return -EAGAIN; + if (unlikely(cdesc->req_id >= io_cq->q_depth)) { + pr_err("Invalid req id %d\n", cdesc->req_id); + return -EINVAL; + } + ena_com_cq_inc_head(io_cq); *req_id = READ_ONCE(cdesc->req_id); |