From: Niko Mauno niko.mauno@vaisala.com
Before reading entire FIT image, add sanity check by testing image header against FDT_MAGIC. This should help avoid problems in situations where FIT is not yet available from storage device, for example when performing initial programming of device.
Cc: Anatolij Gustschin agust@denx.de Acked-by: Tomas Melin tomas.melin@vaisala.com --- common/splash_source.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/common/splash_source.c b/common/splash_source.c index 867a798..30e6a0d 100644 --- a/common/splash_source.c +++ b/common/splash_source.c @@ -317,6 +317,11 @@ static int splash_load_fit(struct splash_location *location, u32 bmp_load_addr) return res;
img_header = (struct image_header *)bmp_load_addr; + if (image_get_magic(img_header) != FDT_MAGIC) { + printf("Could not find FDT magic\n"); + return -EINVAL; + } + fit_size = fdt_totalsize(img_header);
/* Read in entire FIT */