openwrt/target/linux/bcm63xx/patches-5.4/803-jffs2-work-around-unaligned-accesses-failing-on-bcm6.patch
Adrian Schmutzler f8f1dc6eab bcm63xx: copy files to kernel 5.4
Copy config and patches to kernel 5.4.
make kernel_oldconfig has been run on 4.19 beforehand.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-04-12 12:36:21 +02:00

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Diff

From ff3409ab17d56450943364ba49a16960e3cdda9b Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 6 Apr 2014 22:33:16 +0200
Subject: [RFC] jffs2: work around unaligned accesses failing on bcm63xx/smp
Unligned memcpy_fromio randomly fails with an unaligned dst. Work around
it by ensuring we are always doing aligned copies.
Should fix filename corruption in jffs2 with SMP.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
fs/jffs2/nodelist.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -259,7 +259,7 @@ struct jffs2_full_dirent
uint32_t ino; /* == zero for unlink */
unsigned int nhash;
unsigned char type;
- unsigned char name[0];
+ unsigned char name[0] __attribute__((aligned((sizeof(long)))));
};
/*