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fdt: relax align requirement

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This commit is contained in:
Vladimir Serbinenko committed 2016-02-21 19:28:23 +01:00
1 parent f900bea454
commit b0227ce4b9
1 file changed
+4 -4
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grub-core/lib/fdt.c
+4 -4
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@@ -102,13 +102,13 @@ static grub_uint32_t *get_next_node (const void *fdt, char *node_name)
static int get_mem_rsvmap_size (const void *fdt)
{
int size = 0;
grub_uint64_t *ptr = (void *) ((grub_addr_t) fdt
+ grub_fdt_get_off_mem_rsvmap (fdt));
grub_unaligned_uint64_t *ptr = (void *) ((grub_addr_t) fdt
+ grub_fdt_get_off_mem_rsvmap (fdt));
do
{
size += 2 * sizeof(*ptr);
if (!*ptr && !*(ptr + 1))
if (!ptr[0].val && !ptr[1].val)
return size;
ptr += 2;
} while ((grub_addr_t) ptr <= (grub_addr_t) fdt + grub_fdt_get_totalsize (fdt)
@@ -270,7 +270,7 @@ static grub_uint32_t *find_prop (const void *fdt, unsigned int nodeoffset,
guaranteed not to access memory locations outside the allocated memory. */
int grub_fdt_check_header_nosize (const void *fdt)
{
if (((grub_addr_t) fdt & 0x7) || (grub_fdt_get_magic (fdt) != FDT_MAGIC)
if (((grub_addr_t) fdt & 0x3) || (grub_fdt_get_magic (fdt) != FDT_MAGIC)
|| (grub_fdt_get_version (fdt) < FDT_SUPPORTED_VERSION)
|| (grub_fdt_get_last_comp_version (fdt) > FDT_SUPPORTED_VERSION)
|| (grub_fdt_get_off_dt_struct (fdt) & 0x00000003)