diff options
Diffstat (limited to 'hw/misc')
| -rw-r--r-- | hw/misc/ivshmem-pci.c | 9 | ||||
| -rw-r--r-- | hw/misc/max78000_aes.c | 6 |
2 files changed, 14 insertions, 1 deletions
diff --git a/hw/misc/ivshmem-pci.c b/hw/misc/ivshmem-pci.c index 5a10bca..d47ae73 100644 --- a/hw/misc/ivshmem-pci.c +++ b/hw/misc/ivshmem-pci.c @@ -479,6 +479,11 @@ static void process_msg_shmem(IVShmemState *s, int fd, Error **errp) struct stat buf; size_t size; + if (fd < 0) { + error_setg(errp, "server didn't provide fd with shared memory message"); + return; + } + if (s->ivshmem_bar2) { error_setg(errp, "server sent unexpected shared memory message"); close(fd); @@ -553,7 +558,9 @@ static void process_msg(IVShmemState *s, int64_t msg, int fd, Error **errp) if (msg < -1 || msg > IVSHMEM_MAX_PEERS) { error_setg(errp, "server sent invalid message %" PRId64, msg); - close(fd); + if (fd >= 0) { + close(fd); + } return; } diff --git a/hw/misc/max78000_aes.c b/hw/misc/max78000_aes.c index 0bfb2f0..d883ddd 100644 --- a/hw/misc/max78000_aes.c +++ b/hw/misc/max78000_aes.c @@ -79,6 +79,12 @@ static void max78000_aes_do_crypto(Max78000AesState *s) keydata += 8; } + /* + * The MAX78000 AES engine stores an internal key, which it uses only + * for decryption. This results in the slighly odd looking pairs of + * set_encrypt and set_decrypt calls below; s->internal_key is + * being stored for later use in both cases. + */ AES_KEY key; if ((s->ctrl & TYPE) == 0) { AES_set_encrypt_key(keydata, keylen, &key); |