When running bootefi, we allocate new space but never check whether the allocation succeeded. This patch adds a check so that in case things go wrong, we at least know they did.

Signed-off-by: Alexander Graf agraf@suse.de --- cmd/bootefi.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/cmd/bootefi.c b/cmd/bootefi.c index a0a5434..771300e 100644 --- a/cmd/bootefi.c +++ b/cmd/bootefi.c @@ -133,7 +133,13 @@ static void *copy_fdt(void *fdt) &new_fdt_addr) != EFI_SUCCESS) { /* If we can't put it there, put it somewhere */ new_fdt_addr = (ulong)memalign(4096, fdt_size); + if (efi_allocate_pages(1, EFI_BOOT_SERVICES_DATA, fdt_pages, + &new_fdt_addr) != EFI_SUCCESS) { + printf("ERROR: Failed to reserve space for FDT\n"); + return NULL; + } } + new_fdt = (void*)(ulong)new_fdt_addr; memcpy(new_fdt, fdt, fdt_totalsize(fdt)); fdt_set_totalsize(new_fdt, fdt_size);