mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-11-03 22:44:27 -05:00
cddd459140
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>
40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
From 3661172f5786a3d2ebe1d2244f1f08a95e1cfd09 Mon Sep 17 00:00:00 2001
|
|
From: Henning Schild <henning.schild@siemens.com>
|
|
Date: Mon, 18 Sep 2017 18:02:11 +0200
|
|
Subject: [PATCH] ivshmem-net: set and check descriptor flags
|
|
|
|
We do not support the use of any flags. Make sure the remote does not
|
|
confuse us using flags.
|
|
|
|
Signed-off-by: Henning Schild <henning.schild@siemens.com>
|
|
[Jan: Remove wrong removal of next field initialization]
|
|
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
|
|
(cherry picked from commit 986d58d84245e023a1a66ab6495b354b6b8cd2f0)
|
|
---
|
|
drivers/net/ivshmem-net.c | 5 +++++
|
|
1 file changed, 5 insertions(+)
|
|
|
|
--- a/drivers/net/ivshmem-net.c
|
|
+++ b/drivers/net/ivshmem-net.c
|
|
@@ -123,8 +123,12 @@ static void *ivshm_net_desc_data(struct
|
|
{
|
|
u64 offs = READ_ONCE(desc->addr);
|
|
u32 dlen = READ_ONCE(desc->len);
|
|
+ u16 flags = READ_ONCE(desc->flags);
|
|
void *data;
|
|
|
|
+ if (flags)
|
|
+ return NULL;
|
|
+
|
|
if (offs >= in->shmlen)
|
|
return NULL;
|
|
|
|
@@ -317,6 +321,7 @@ static int ivshm_net_tx_frame(struct net
|
|
|
|
desc->addr = buf - in->shm;
|
|
desc->len = skb->len;
|
|
+ desc->flags = 0;
|
|
|
|
avail = tx->last_avail_idx++ & (vr->num - 1);
|
|
vr->avail->ring[avail] = desc_idx;
|