diff options
Diffstat (limited to 'cpukit/dtc/libfdt/fdt_sw.c')
| -rw-r--r-- | cpukit/dtc/libfdt/fdt_sw.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/cpukit/dtc/libfdt/fdt_sw.c b/cpukit/dtc/libfdt/fdt_sw.c index 76bea22f73..352193c0a7 100644 --- a/cpukit/dtc/libfdt/fdt_sw.c +++ b/cpukit/dtc/libfdt/fdt_sw.c @@ -12,10 +12,13 @@ static int fdt_sw_probe_(void *fdt) { - if (fdt_magic(fdt) == FDT_MAGIC) - return -FDT_ERR_BADSTATE; - else if (fdt_magic(fdt) != FDT_SW_MAGIC) - return -FDT_ERR_BADMAGIC; + if (!can_assume(VALID_DTB)) { + if (fdt_magic(fdt) == FDT_MAGIC) + return -FDT_ERR_BADSTATE; + else if (fdt_magic(fdt) != FDT_SW_MAGIC) + return -FDT_ERR_BADMAGIC; + } + return 0; } @@ -38,7 +41,7 @@ static int fdt_sw_probe_memrsv_(void *fdt) if (err) return err; - if (fdt_off_dt_strings(fdt) != 0) + if (!can_assume(VALID_DTB) && fdt_off_dt_strings(fdt) != 0) return -FDT_ERR_BADSTATE; return 0; } @@ -151,7 +154,8 @@ int fdt_resize(void *fdt, void *buf, int bufsize) headsize = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt); tailsize = fdt_size_dt_strings(fdt); - if ((headsize + tailsize) > fdt_totalsize(fdt)) + if (!can_assume(VALID_DTB) && + headsize + tailsize > fdt_totalsize(fdt)) return -FDT_ERR_INTERNAL; if ((headsize + tailsize) > bufsize) |