a292c8c357
Change-Id: Ic2a6e6f1ceea81f2e34f3db370682569327b44ad Signed-off-by: Todd Foggoa <tfoggoa@cisco.com>
52 lines
1.6 KiB
Diff
52 lines
1.6 KiB
Diff
From 7a7fa2891df4ec4af0c34f3bbd203e1376e83951 Mon Sep 17 00:00:00 2001
|
|
From: Nelson Escobar <neescoba@cisco.com>
|
|
Date: Thu, 17 Mar 2016 15:49:58 -0700
|
|
Subject: [PATCH 15/22] enic: fix crash when allocating too many queues
|
|
|
|
Add checks to make sure we don't try to allocate more tx or rx queues
|
|
than we support.
|
|
|
|
Fixes: fefed3d1e62c ("enic: new driver")
|
|
|
|
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
|
|
Reviewed-by: John Daley <johndale@cisco.com>
|
|
---
|
|
drivers/net/enic/enic_ethdev.c | 14 ++++++++++++++
|
|
1 file changed, 14 insertions(+)
|
|
|
|
diff --git a/drivers/net/enic/enic_ethdev.c b/drivers/net/enic/enic_ethdev.c
|
|
index 6f2ada5..6c3c734 100644
|
|
--- a/drivers/net/enic/enic_ethdev.c
|
|
+++ b/drivers/net/enic/enic_ethdev.c
|
|
@@ -174,6 +174,13 @@ static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
|
|
struct enic *enic = pmd_priv(eth_dev);
|
|
|
|
ENICPMD_FUNC_TRACE();
|
|
+ if (queue_idx >= ENIC_WQ_MAX) {
|
|
+ dev_err(enic,
|
|
+ "Max number of TX queues exceeded. Max is %d\n",
|
|
+ ENIC_WQ_MAX);
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
|
|
|
|
ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
|
|
@@ -262,6 +269,13 @@ static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
|
|
struct enic *enic = pmd_priv(eth_dev);
|
|
|
|
ENICPMD_FUNC_TRACE();
|
|
+ if (queue_idx >= ENIC_RQ_MAX) {
|
|
+ dev_err(enic,
|
|
+ "Max number of RX queues exceeded. Max is %d\n",
|
|
+ ENIC_RQ_MAX);
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
eth_dev->data->rx_queues[queue_idx] = (void *)&enic->rq[queue_idx];
|
|
|
|
ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
|
|
--
|
|
1.9.1
|
|
|