diff options
author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2017-11-06 19:39:06 +0100 |
---|---|---|
committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2018-06-20 20:45:08 -0500 |
commit | a36591fa622a92134d11b3d05746c3c55f638966 (patch) | |
tree | 3d7b495001d0fa484dd246fab319c667344fb75c | |
parent | 0f04a8bba607b8deac44cae6dc387671c34a6cb3 (diff) |
tpm-passthrough: don't save guessed cancel_path in options
The value is later unneeded, and may leak if the free visitor doesn't
consider it since has_cancel_path is false. And for consistency with
"path" it shouldn't be returned in get_tpm_options().
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
(cherry picked from commit 69c07db04625cb243db6e8a0ac0a8e3973dd961a)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
-rw-r--r-- | hw/tpm/tpm_passthrough.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c index c440aff4b2..e42645b00d 100644 --- a/hw/tpm/tpm_passthrough.c +++ b/hw/tpm/tpm_passthrough.c @@ -229,9 +229,7 @@ static int tpm_passthrough_open_sysfs_cancel(TPMPassthruState *tpm_pt) if (snprintf(path, sizeof(path), "/sys/class/misc/%s/device/cancel", dev) < sizeof(path)) { fd = qemu_open(path, O_WRONLY); - if (fd >= 0) { - tpm_pt->options->cancel_path = g_strdup(path); - } else { + if (fd < 0) { error_report("tpm_passthrough: Could not open TPM cancel " "path %s : %s", path, strerror(errno)); } |