openwrt/target/linux/layerscape/patches-5.4/809-jailhouse-0016-ivshmem-net-Silence-compiler-warning.patch
Yangbo Lu cddd459140 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>
2020-05-07 12:53:06 +02:00

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Diff

From efa3ff9e6dfa3ff26c3aef463529047f7285f890 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Tue, 3 Oct 2017 12:24:59 +0200
Subject: [PATCH] ivshmem-net: Silence compiler warning
At least Linaro's gcc 6.3 does not see the initialization and usage
dependency of fhead and num. Let's silence this false positive.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
(cherry picked from commit 4d067d37d835c35e8f85481b97c51f20b713ae71)
---
drivers/net/ivshmem-net.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/ivshmem-net.c
+++ b/drivers/net/ivshmem-net.c
@@ -356,6 +356,7 @@ static void ivshm_net_tx_clean(struct ne
last = tx->last_used_idx;
fdesc = NULL;
+ fhead = 0;
num = 0;
while (last != used_idx) {