diff options
Diffstat (limited to 'arch/m68k/virt/config.c')
| -rw-r--r-- | arch/m68k/virt/config.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/m68k/virt/config.c b/arch/m68k/virt/config.c index 632ba200ad42..4ab22946ff68 100644 --- a/arch/m68k/virt/config.c +++ b/arch/m68k/virt/config.c @@ -2,6 +2,7 @@ #include <linux/reboot.h> #include <linux/serial_core.h> +#include <linux/random.h> #include <clocksource/timer-goldfish.h> #include <asm/bootinfo.h> @@ -92,6 +93,16 @@ int __init virt_parse_bootinfo(const struct bi_record *record) data += 4; virt_bi_data.virtio.irq = be32_to_cpup(data); break; + case BI_VIRT_RNG_SEED: { + u16 len = be16_to_cpup(data); + add_bootloader_randomness(data + 2, len); + /* + * Zero the data to preserve forward secrecy, and zero the + * length to prevent kexec from using it. + */ + memzero_explicit((void *)data, len + 2); + break; + } default: unknown = 1; break; |