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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2021-05-04 11:46:00 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2021-05-04 11:46:00 -0700
commitd0034a7a4ac7fae708146ac0059b9c47a1543f0d (patch)
treeac3ac88066f0f80632aa754e3ae008994f2426a2 /scripts/dtc/libfdt/fdt.c
parent56cfe6f820a6315291eb5a1b82bb49633b993d3b (diff)
parentd12b64b9764ea17554fb230784ebf91287ed807e (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.13 merge window.
Diffstat (limited to 'scripts/dtc/libfdt/fdt.c')
-rw-r--r--scripts/dtc/libfdt/fdt.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/scripts/dtc/libfdt/fdt.c b/scripts/dtc/libfdt/fdt.c
index 6cf2fa03b037..3e893073da05 100644
--- a/scripts/dtc/libfdt/fdt.c
+++ b/scripts/dtc/libfdt/fdt.c
@@ -22,6 +22,10 @@ int32_t fdt_ro_probe_(const void *fdt)
if (can_assume(VALID_DTB))
return totalsize;
+ /* The device tree must be at an 8-byte aligned address */
+ if ((uintptr_t)fdt & 7)
+ return -FDT_ERR_ALIGNMENT;
+
if (fdt_magic(fdt) == FDT_MAGIC) {
/* Complete tree */
if (!can_assume(LATEST)) {