qemu_conf: split out virQEMUDriverConfigLoadSpecificTLS

Split out parts of the config parsing code to make
the parent function easier to read.

This is the only patch that mixes various augeas entry
groups in one function.
Signed-off-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NJohn Ferlan <jferlan@redhat.com>

src/qemu/qemu_conf.c

@@ -423,6 +423,48 @@ virQEMUDriverConfigHugeTLBFSInit(virHugeTLBFSPtr hugetlbfs,
 }
 
 
+static int
+virQEMUDriverConfigLoadSpecificTLSEntry(virQEMUDriverConfigPtr cfg,
+                                        virConfPtr conf)
+{
+    int rv;
+
+    if (virConfGetValueBool(conf, "vxhs_tls", &cfg->vxhsTLS) < 0)
+        return -1;
+    if (virConfGetValueString(conf, "vxhs_tls_x509_cert_dir", &cfg->vxhsTLSx509certdir) < 0)
+        return -1;
+    if (virConfGetValueBool(conf, "nbd_tls", &cfg->nbdTLS) < 0)
+        return -1;
+    if (virConfGetValueString(conf, "nbd_tls_x509_cert_dir", &cfg->nbdTLSx509certdir) < 0)
+        return -1;
+
+#define GET_CONFIG_TLS_CERTINFO(val) \
+    do { \
+        if ((rv = virConfGetValueBool(conf, #val "_tls_x509_verify", \
+                                      &cfg->val## TLSx509verify)) < 0) \
+            return -1; \
+        if (rv == 1) \
+            cfg->val## TLSx509verifyPresent = true; \
+        if (virConfGetValueString(conf, #val "_tls_x509_cert_dir", \
+                                  &cfg->val## TLSx509certdir) < 0) \
+            return -1; \
+        if (virConfGetValueString(conf, \
+                                  #val "_tls_x509_secret_uuid", \
+                                  &cfg->val## TLSx509secretUUID) < 0) \
+            return -1; \
+    } while (0)
+
+    if (virConfGetValueBool(conf, "chardev_tls", &cfg->chardevTLS) < 0)
+        return -1;
+    GET_CONFIG_TLS_CERTINFO(chardev);
+
+    GET_CONFIG_TLS_CERTINFO(migrate);
+
+#undef GET_CONFIG_TLS_CERTINFO
+    return 0;
+}
+
+
 static int
 virQEMUDriverConfigLoadRemoteDisplayEntry(virQEMUDriverConfigPtr cfg,
                                           virConfPtr conf,
@@ -966,38 +1008,9 @@ int virQEMUDriverConfigLoadFile(virQEMUDriverConfigPtr cfg,
         goto cleanup;
     if (virConfGetValueBool(conf, "spice_auto_unix_socket", &cfg->spiceAutoUnixSocket) < 0)
         goto cleanup;
-    if (virConfGetValueBool(conf, "vxhs_tls", &cfg->vxhsTLS) < 0)
-        goto cleanup;
-    if (virConfGetValueString(conf, "vxhs_tls_x509_cert_dir", &cfg->vxhsTLSx509certdir) < 0)
-        goto cleanup;
-    if (virConfGetValueBool(conf, "nbd_tls", &cfg->nbdTLS) < 0)
-        goto cleanup;
-    if (virConfGetValueString(conf, "nbd_tls_x509_cert_dir", &cfg->nbdTLSx509certdir) < 0)
-        goto cleanup;
-
-#define GET_CONFIG_TLS_CERTINFO(val) \
-    do { \
-        if ((rv = virConfGetValueBool(conf, #val "_tls_x509_verify", \
-                                      &cfg->val## TLSx509verify)) < 0) \
-            goto cleanup; \
-        if (rv == 1) \
-            cfg->val## TLSx509verifyPresent = true; \
-        if (virConfGetValueString(conf, #val "_tls_x509_cert_dir", \
-                                  &cfg->val## TLSx509certdir) < 0) \
-            goto cleanup; \
-        if (virConfGetValueString(conf, \
-                                  #val "_tls_x509_secret_uuid", \
-                                  &cfg->val## TLSx509secretUUID) < 0) \
-            goto cleanup; \
-    } while (0)
 
-    if (virConfGetValueBool(conf, "chardev_tls", &cfg->chardevTLS) < 0)
+    if (virQEMUDriverConfigLoadSpecificTLSEntry(cfg, conf) < 0)
         goto cleanup;
-    GET_CONFIG_TLS_CERTINFO(chardev);
-
-    GET_CONFIG_TLS_CERTINFO(migrate);
-
-#undef GET_CONFIG_TLS_CERTINFO
 
     if (virQEMUDriverConfigLoadRemoteDisplayEntry(cfg, conf, filename) < 0)
         goto cleanup;