dany/u-boot-megous
1
0
Fork 0
mirror of https://xff.cz/git/u-boot/ synced 2025-09-01 00:32:04 +02:00
Code Issues Packages Projects Releases Wiki Activity

fdt: Fix alignment issue when reading 64-bits properties from fdt

Browse Source 
The FDT specification [0] gives a requirement of aligning properties on
32-bits. Make sure that the compiler is aware of this constraint when
accessing 64-bits properties.

[0]: https://github.com/devicetree-org/devicetree-specification/blob/master/source/flattened-format.rst

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Jean-Jacques Hiblot
2019-10-22 10:05:22 +02:00
committed by Simon Glass
parent 97b5f9d1a0
commit d60ae4c59d
4 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
common/fdt_support.c
View File

@@ -1566,7 +1566,7 @@ static int fdt_read_prop(const fdt32_t *prop, int prop_len, int cell_off,
uint64_t *val, int cells)
{
const fdt32_t *prop32 = &prop[cell_off];
const fdt64_t *prop64 = (const fdt64_t *)&prop[cell_off];
const unaligned_fdt64_t *prop64 = (const fdt64_t *)&prop[cell_off];
if ((cell_off + cells) > prop_len)
return -FDT_ERR_NOSPACE;