If we have no FDT, don't attempt to read from it. This allows sandbox to run without an FDT if required.
Signed-off-by: Simon Glass sjg@chromium.org --- Changes in v3: None Changes in v2: - Fix checkpatch checks about parenthesis alignment
lib/fdtdec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 60369fb..ac1fe0b 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -354,7 +354,8 @@ int fdtdec_check_fdt(void) */ int fdtdec_prepare_fdt(void) { - if (((uintptr_t)gd->fdt_blob & 3) || fdt_check_header(gd->fdt_blob)) { + if (!gd->fdt_blob || ((uintptr_t)gd->fdt_blob & 3) || + fdt_check_header(gd->fdt_blob)) { printf("No valid FDT found - please append one to U-Boot " "binary, use u-boot-dtb.bin or define " "CONFIG_OF_EMBED. For sandbox, use -d <file.dtb>\n");