diff options
Diffstat (limited to 'hw/tpm/tpm_emulator.c')
| -rw-r--r-- | hw/tpm/tpm_emulator.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c index 532d3e3c52..81bf7d1b01 100644 --- a/hw/tpm/tpm_emulator.c +++ b/hw/tpm/tpm_emulator.c @@ -120,7 +120,6 @@ static int tpm_emulator_unix_tx_bufs(TPMEmulator *tpm_emu, { ssize_t ret; bool is_selftest = false; - const struct tpm_resp_hdr *hdr = NULL; if (selftest_done) { *selftest_done = false; @@ -132,22 +131,21 @@ static int tpm_emulator_unix_tx_bufs(TPMEmulator *tpm_emu, return -1; } - ret = qio_channel_read_all(tpm_emu->data_ioc, (char *)out, sizeof(*hdr), - err); + ret = qio_channel_read_all(tpm_emu->data_ioc, (char *)out, + sizeof(struct tpm_resp_hdr), err); if (ret != 0) { return -1; } - hdr = (struct tpm_resp_hdr *)out; - out += sizeof(*hdr); - ret = qio_channel_read_all(tpm_emu->data_ioc, (char *)out, - be32_to_cpu(hdr->len) - sizeof(*hdr) , err); + ret = qio_channel_read_all(tpm_emu->data_ioc, + (char *)out + sizeof(struct tpm_resp_hdr), + tpm_cmd_get_size(out) - sizeof(struct tpm_resp_hdr), err); if (ret != 0) { return -1; } if (is_selftest) { - *selftest_done = (be32_to_cpu(hdr->errcode) == 0); + *selftest_done = tpm_cmd_get_errcode(out) == 0; } return 0; |