iscsi: do not leak initiator_name
The argument of iscsi_create_context is never freed by libiscsi,
which in fact calls strdup on it. Avoid a leak.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/block/iscsi.c b/block/iscsi.c
index 993a86d..94063ab 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -943,7 +943,7 @@
error_report("Failed to parse URL : %s %s", filename,
iscsi_get_error(iscsi));
ret = -EINVAL;
- goto failed;
+ goto out;
}
memset(iscsilun, 0, sizeof(IscsiLun));
@@ -954,13 +954,13 @@
if (iscsi == NULL) {
error_report("iSCSI: Failed to create iSCSI context.");
ret = -ENOMEM;
- goto failed;
+ goto out;
}
if (iscsi_set_targetname(iscsi, iscsi_url->target)) {
error_report("iSCSI: Failed to set target name.");
ret = -EINVAL;
- goto failed;
+ goto out;
}
if (iscsi_url->user != NULL) {
@@ -969,7 +969,7 @@
if (ret != 0) {
error_report("Failed to set initiator username and password");
ret = -EINVAL;
- goto failed;
+ goto out;
}
}
@@ -977,13 +977,13 @@
if (parse_chap(iscsi, iscsi_url->target) != 0) {
error_report("iSCSI: Failed to set CHAP user/password");
ret = -EINVAL;
- goto failed;
+ goto out;
}
if (iscsi_set_session_type(iscsi, ISCSI_SESSION_NORMAL) != 0) {
error_report("iSCSI: Failed to set session type to normal.");
ret = -EINVAL;
- goto failed;
+ goto out;
}
iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_NONE_CRC32C);
@@ -1004,7 +1004,7 @@
!= 0) {
error_report("iSCSI: Failed to start async connect.");
ret = -EINVAL;
- goto failed;
+ goto out;
}
while (!task.complete) {
@@ -1015,11 +1015,7 @@
error_report("iSCSI: Failed to connect to LUN : %s",
iscsi_get_error(iscsi));
ret = -EINVAL;
- goto failed;
- }
-
- if (iscsi_url != NULL) {
- iscsi_destroy_url(iscsi_url);
+ goto out;
}
/* Medium changer or tape. We dont have any emulation for this so this must
@@ -1031,19 +1027,22 @@
bs->sg = 1;
}
- return 0;
+ ret = 0;
-failed:
+out:
if (initiator_name != NULL) {
g_free(initiator_name);
}
if (iscsi_url != NULL) {
iscsi_destroy_url(iscsi_url);
}
- if (iscsi != NULL) {
- iscsi_destroy_context(iscsi);
+
+ if (ret) {
+ if (iscsi != NULL) {
+ iscsi_destroy_context(iscsi);
+ }
+ memset(iscsilun, 0, sizeof(IscsiLun));
}
- memset(iscsilun, 0, sizeof(IscsiLun));
return ret;
}