target/linux/brcm63xx/patches-4.19/803-jffs2-work-around-unaligned-accesses-failing-on-bcm6.patch

   1 From ff3409ab17d56450943364ba49a16960e3cdda9b Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jogo@openwrt.org>
   3 Date: Sun, 6 Apr 2014 22:33:16 +0200
   4 Subject: [RFC] jffs2: work around unaligned accesses failing on bcm63xx/smp
   5
   6 Unligned memcpy_fromio randomly fails with an unaligned dst. Work around
   7 it by ensuring we are always doing aligned copies.
   8
   9 Should fix filename corruption in jffs2 with SMP.
  10
  11 Signed-off-by: Jonas Gorski <jogo@openwrt.org>
  12 ---
  13  fs/jffs2/nodelist.h | 2 +-
  14  1 file changed, 1 insertion(+), 1 deletion(-)
  15
  16 --- a/fs/jffs2/nodelist.h
  17 +++ b/fs/jffs2/nodelist.h
  18 @@ -259,7 +259,7 @@ struct jffs2_full_dirent
  19         uint32_t ino; /* == zero for unlink */
  20         unsigned int nhash;
  21         unsigned char type;
  22 -       unsigned char name[0];
  23 +       unsigned char name[0] __attribute__((aligned((sizeof(long)))));
  24  };
  25
  26  /*