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| author | Simon Glass <sjg@chromium.org> | 2013-04-20 08:42:46 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-05-01 11:17:21 -0400 |
| commit | c309c2da147c2f166132341d578a41d3d9132966 (patch) | |
| tree | 6607da92ae32bb036da36b5a71ad14433d0eecab | |
| parent | a92fd6577ea17751ead9b50243e3c562125cf581 (diff) | |
| download | u-boot-imx-c309c2da147c2f166132341d578a41d3d9132966.zip u-boot-imx-c309c2da147c2f166132341d578a41d3d9132966.tar.gz u-boot-imx-c309c2da147c2f166132341d578a41d3d9132966.tar.bz2 | |
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>
| -rw-r--r-- | lib/fdtdec.c | 3 |
1 files changed, 2 insertions, 1 deletions
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"); |