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cmdDomHostname: Fix uninitialized use of 'hostname' by refactoring cleanup

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Use 'g_autoptr' which mandates initialization for 'hostname' and also
for 'domain' to allow full refactor of the cleanup path.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-03-05 09:29:02 +01:00
parent 140c756f5c
commit 1a53b2baab
1 changed files with 6 additions and 12 deletions
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18
tools/virsh-domain.c
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@ -11885,9 +11885,8 @@ VIR_ENUM_IMPL(virshDomainHostnameSource,
static bool
cmdDomHostname(vshControl *ctl, const vshCmd *cmd)
{
char *hostname;
virDomainPtr dom;
bool ret = false;
g_autofree char *hostname = NULL;
g_autoptr(virshDomain) dom = NULL;
const char *sourcestr = NULL;
int flags = 0; /* Use default value. Drivers can have its own default. */
@ -11895,14 +11894,14 @@ cmdDomHostname(vshControl *ctl, const vshCmd *cmd)
return false;
if (vshCommandOptStringReq(ctl, cmd, "source", &sourcestr) < 0)
goto error;
return false;
if (sourcestr) {
int source = virshDomainHostnameSourceTypeFromString(sourcestr);
if (source < 0) {
vshError(ctl, _("Unknown data source '%s'"), sourcestr);
goto error;
return false;
}
switch ((virshDomainHostnameSource) source) {
@ -11920,16 +11919,11 @@ cmdDomHostname(vshControl *ctl, const vshCmd *cmd)
hostname = virDomainGetHostname(dom, flags);
if (hostname == NULL) {
vshError(ctl, "%s", _("failed to get hostname"));
goto error;
return false;
}
vshPrint(ctl, "%s\n", hostname);
ret = true;
error:
VIR_FREE(hostname);
virshDomainFree(dom);
return ret;
return true;
}
/**