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authorYangbo Lu <yangbo.lu@nxp.com>2020-04-10 10:47:05 +0800
committerPetr Štetiar <ynezz@true.cz>2020-05-07 12:53:06 +0200
commitcddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch)
tree392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/701-net-0095-sdk_dpaa-ceetm-guard-against-an-out-of-bounds-queue-.patch
parentd1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff)
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layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0095-sdk_dpaa-ceetm-guard-against-an-out-of-bounds-queue-.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/701-net-0095-sdk_dpaa-ceetm-guard-against-an-out-of-bounds-queue-.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0095-sdk_dpaa-ceetm-guard-against-an-out-of-bounds-queue-.patch b/target/linux/layerscape/patches-5.4/701-net-0095-sdk_dpaa-ceetm-guard-against-an-out-of-bounds-queue-.patch
new file mode 100644
index 0000000000..6c41d0f7af
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0095-sdk_dpaa-ceetm-guard-against-an-out-of-bounds-queue-.patch
@@ -0,0 +1,34 @@
+From cfda91fdd3396b97f2c08f0d8ed7749fbd87bb7b Mon Sep 17 00:00:00 2001
+From: Camelia Groza <camelia.groza@nxp.com>
+Date: Tue, 30 Oct 2018 17:34:31 +0200
+Subject: [PATCH] sdk_dpaa: ceetm: guard against an out of bounds queue index
+
+Make sure the queue mapping recorded in the skb is not larger than our
+egress queue count.
+
+Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
+---
+ drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c
++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c
+@@ -1982,7 +1982,7 @@ static struct ceetm_class *ceetm_classif
+
+ int __hot ceetm_tx(struct sk_buff *skb, struct net_device *net_dev)
+ {
+- const int queue_mapping = dpa_get_queue_mapping(skb);
++ int queue_mapping = dpa_get_queue_mapping(skb);
+ struct Qdisc *sch = net_dev->qdisc;
+ struct ceetm_class_stats *cstats;
+ struct ceetm_qdisc_stats *qstats;
+@@ -2016,6 +2016,9 @@ int __hot ceetm_tx(struct sk_buff *skb,
+ goto drop;
+ }
+
++ if (unlikely(queue_mapping >= DPAA_ETH_TX_QUEUES))
++ queue_mapping = queue_mapping % DPAA_ETH_TX_QUEUES;
++
+ priv_dpa = netdev_priv(net_dev);
+ conf_fq = priv_dpa->conf_fqs[queue_mapping];
+