diff mbox series

[RFC,6/8] net/enetfc: fix array out of bounds warning

Message ID 20220607171746.461772-7-stephen@networkplumber.org (mailing list archive)
State Rejected, archived
Delegated to: David Marchand
Headers
Series Gcc-12 warning fixes |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Stephen Hemminger June 7, 2022, 5:17 p.m. UTC 
  With gcc-12 it detects that this function could be passed a
queue > 1 which would cause out of bounds access.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/enetfec/enet_ethdev.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/enetfec/enet_ethdev.c b/drivers/net/enetfec/enet_ethdev.c
index 714f8ac7eccc..4956235a10a6 100644
--- a/drivers/net/enetfec/enet_ethdev.c
+++ b/drivers/net/enetfec/enet_ethdev.c
@@ -454,6 +454,11 @@  enetfec_rx_queue_setup(struct rte_eth_dev *dev,
 		return -EINVAL;
 	}
 
+	if (queue_idx >= ENETFEC_MAX_Q) {
+		ENETFEC_PMD_ERR("Only %u receive queues supported", ENETFEC_MAX_Q);
+		return -EINVAL;
+	}
+
 	/* allocate receive queue */
 	rxq = rte_zmalloc(NULL, sizeof(*rxq), RTE_CACHE_LINE_SIZE);
 	if (rxq == NULL) {