OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

For DT unflattening, add missing memory initialization. This is needed 

for arches like PPC that use memblock_alloc. This appears to have been
 an issue for some time, but is a somewhat limited usecase of OF_DYNAMIC.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.12 (GNU/Linux)
 
 iQEcBAABAgAGBQJSFWZgAAoJEMhvYp4jgsXipiIH/3mswl+2WQT+d7+d5cjqOD8P
 xIY4jOZlmkpKcT8fc3eZFkXA/vbcDGU/+PkMcYrP8VqXC3DuAqbTuNr/tet9Vnio
 XuMAE4AeXxSK4RL+L+u+6sEuhXMkrMiZlk0vBLbDo6MVOKEiOoCzp8CH76q8OvdY
 TF6Nyn3M8MCdLW33Una8UcZuUNd53Im+Ycie1AmfgL/dAVsbB9kYa5q8gO6YeFtJ
 Hq6RBXN3Rx2HH5rwzOFVk95MGvxrIthqU5RmmEcvJ/Dz4cZCcqdFYxZ4EXxHvFN2
 LEM89C8Qivoe2ONKDY/BfENLrNkokeFrG4w0mFjGGa5xr8WEj11AJgEuFSSGjdI=
 =vkWu
 -----END PGP SIGNATURE-----

Merge tag 'devicetree-fixes-for-3.11' of git://sources.calxeda.com/kernel/linux

Pull device tree fix from Rob Herring:
 "For DT unflattening, add missing memory initialization.

  This is needed for arches like PPC that use memblock_alloc.  This
  appears to have been an issue for some time, but is a somewhat limited
  usecase of OF_DYNAMIC"

* tag 'devicetree-fixes-for-3.11' of git://sources.calxeda.com/kernel/linux:
  of: fdt: fix memory initialization for expanded DT
This commit is contained in:
Linus Torvalds 2013-08-22 10:43:47 -07:00
parent ee7075d45f 9e40127526
commit 8351fcfe4f
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/of/fdt.c
View File

@ -392,6 +392,8 @@ static void __unflatten_device_tree(struct boot_param_header *blob,
mem = (unsigned long)
dt_alloc(size + 4, __alignof__(struct device_node));
memset((void *)mem, 0, size);
((__be32 *)mem)[size / 4] = cpu_to_be32(0xdeadbeef);
pr_debug(" unflattening %lx...\n", mem);