diff options
| -rw-r--r-- | libfdt/fdt_rw.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libfdt/fdt_rw.c b/libfdt/fdt_rw.c index 7475caf..90ea14e 100644 --- a/libfdt/fdt_rw.c +++ b/libfdt/fdt_rw.c @@ -22,6 +22,12 @@ static int fdt_blocks_misordered_(const void *fdt, (fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt))); } +static void fdt_downgrade_version(void *fdt) +{ + if (!can_assume(LATEST) && fdt_version(fdt) > FDT_LAST_SUPPORTED_VERSION) + fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION); +} + static int fdt_rw_probe_(void *fdt) { if (can_assume(VALID_DTB)) @@ -33,9 +39,8 @@ static int fdt_rw_probe_(void *fdt) if (fdt_blocks_misordered_(fdt, sizeof(struct fdt_reserve_entry), fdt_size_dt_struct(fdt))) return -FDT_ERR_BADLAYOUT; - if (!can_assume(LATEST) && fdt_version(fdt) > 17) - fdt_set_version(fdt, 17); + fdt_downgrade_version(fdt); return 0; } |