virsh: free the caps list properly if one of them is invalid

VIR_FREE(caps) is not enough to free an array allocated
by vshStringToArray.

==17== 4 bytes in 1 blocks are definitely lost in loss record 4 of 728
==17==    by 0x4EFFC44: virStrdup (virstring.c:554)
==17==    by 0x128B10: _vshStrdup (virsh.c:125)
==17==    by 0x129164: vshStringToArray (virsh.c:218)
==17==    by 0x157BB3: cmdNodeListDevices (virsh-nodedev.c:409)

https://bugzilla.redhat.com/show_bug.cgi?id=1001536

diff --git a/tools/virsh-nodedev.c b/tools/virsh-nodedev.c
index b34a3b1752466c69227c688b02d3e2f240dd4fd0..3a2d12b9d188cb0a445742667c575ab2c6361fd3 100644 (file)
--- a/tools/virsh-nodedev.c
+++ b/tools/virsh-nodedev.c
@@ -413,8 +413,8 @@ cmdNodeListDevices(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
     for (i = 0; i < ncaps; i++) {
         if ((cap_type = virNodeDevCapTypeFromString(caps[i])) < 0) {
             vshError(ctl, "%s", _("Invalid capability type"));
-            VIR_FREE(caps);
-            return false;
+            ret = false;
+            goto cleanup;
         }
 
         switch (cap_type) {