[U-Boot] [RFC PATCH 23/44] fdt: Skip checking FDT if the pointer is NULL

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 --- lib/fdtdec.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 6dba438..740bd56 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -318,7 +318,8 @@ 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\n");