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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>
This commit is contained in:
Paolo Bonzini 2012-08-06 10:52:22 +02:00
parent 0b8db8fe15
commit b93c94f7ec
1 changed files with 16 additions and 17 deletions
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33
block/iscsi.c
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@ -943,7 +943,7 @@ static int iscsi_open(BlockDriverState *bs, const char *filename, int flags)
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 @@ static int iscsi_open(BlockDriverState *bs, const char *filename, int flags)
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 @@ static int iscsi_open(BlockDriverState *bs, const char *filename, int flags)
if (ret != 0) {
error_report("Failed to set initiator username and password");
ret = -EINVAL;
goto failed;
goto out;
}
}
@ -977,13 +977,13 @@ static int iscsi_open(BlockDriverState *bs, const char *filename, int flags)
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 @@ static int iscsi_open(BlockDriverState *bs, const char *filename, int flags)
!= 0) {
error_report("iSCSI: Failed to start async connect.");
ret = -EINVAL;
goto failed;
goto out;
}
while (!task.complete) {
@ -1015,11 +1015,7 @@ static int iscsi_open(BlockDriverState *bs, const char *filename, int flags)
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 @@ static int iscsi_open(BlockDriverState *bs, const char *filename, int flags)
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;
}