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authorMarc-André Lureau <marcandre.lureau@redhat.com>2017-11-06 19:39:06 +0100
committerStefan Berger <stefanb@linux.vnet.ibm.com>2017-12-14 23:39:14 -0500
commit69c07db04625cb243db6e8a0ac0a8e3973dd961a (patch)
treeb105e61084e75e7bff8850e1c5eb7417f347fea8 /hw/tpm
parent3c3ef630621e4cdc5171dcfd19a22b2dc300bcb3 (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>
Diffstat (limited to 'hw/tpm')
-rw-r--r--hw/tpm/tpm_passthrough.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c
index 8c002e4da6..048edb1a1a 100644
--- a/hw/tpm/tpm_passthrough.c
+++ b/hw/tpm/tpm_passthrough.c
@@ -226,9 +226,7 @@ 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));
}