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-rw-r--r--arch/arm64/mm/mmu.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 51a558195bb9..4989948d1feb 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -686,9 +686,9 @@ void *__init __fixmap_remap_fdt(phys_addr_t dt_phys, int *size, pgprot_t prot)
/*
* Check whether the physical FDT address is set and meets the minimum
* alignment requirement. Since we are relying on MIN_FDT_ALIGN to be
- * at least 8 bytes so that we can always access the size field of the
- * FDT header after mapping the first chunk, double check here if that
- * is indeed the case.
+ * at least 8 bytes so that we can always access the magic and size
+ * fields of the FDT header after mapping the first chunk, double check
+ * here if that is indeed the case.
*/
BUILD_BUG_ON(MIN_FDT_ALIGN < 8);
if (!dt_phys || dt_phys % MIN_FDT_ALIGN)
@@ -716,7 +716,7 @@ void *__init __fixmap_remap_fdt(phys_addr_t dt_phys, int *size, pgprot_t prot)
create_mapping_noalloc(round_down(dt_phys, SWAPPER_BLOCK_SIZE),
dt_virt_base, SWAPPER_BLOCK_SIZE, prot);
- if (fdt_check_header(dt_virt) != 0)
+ if (fdt_magic(dt_virt) != FDT_MAGIC)
return NULL;
*size = fdt_totalsize(dt_virt);