diff options
Diffstat (limited to 'arch/arm/boards/raspberry-pi/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/raspberry-pi/lowlevel.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/boards/raspberry-pi/lowlevel.c b/arch/arm/boards/raspberry-pi/lowlevel.c index 70f1936522..d58beb6052 100644 --- a/arch/arm/boards/raspberry-pi/lowlevel.c +++ b/arch/arm/boards/raspberry-pi/lowlevel.c @@ -11,8 +11,15 @@ static void copy_vc_fdt(void *dest, void *src, unsigned long max_size) { struct fdt_header *oftree_src = src; struct fdt_header *oftree_dest = dest; + unsigned long size; - unsigned long size = be32_to_cpu(oftree_src->totalsize); + if (!src) { + oftree_dest->magic = cpu_to_be32(VIDEOCORE_FDT_ERROR); + oftree_dest->totalsize = cpu_to_be32(0); + return; + } + + size = be32_to_cpu(oftree_src->totalsize); if (size > max_size) { oftree_dest->magic = cpu_to_be32(VIDEOCORE_FDT_ERROR); /* Save an error code after the magic value for easier |