[libvirt] [PATCH] fix a bug of sheepdog storage driver

[harryxiyou at gmail.com]

Don't try to refresh Sheepdog volume if creating volume fails.

Signed-off-by: Harry Wei <harryxiyou at gmail.com>

---
 src/storage/storage_backend_sheepdog.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/storage/storage_backend_sheepdog.c b/src/storage/storage_backend_sheepdog.c
index cd18f33..218284d 100644
--- a/src/storage/storage_backend_sheepdog.c
+++ b/src/storage/storage_backend_sheepdog.c
@@ -156,7 +156,7 @@ virStorageBackendSheepdogCreateVol(virConnectPtr conn ATTRIBUTE_UNUSED,
                                    virStorageVolDefPtr vol)
 {
 
-    int ret;
+    int ret = -1;
 
     if (vol->target.encryption != NULL) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
@@ -167,10 +167,14 @@ virStorageBackendSheepdogCreateVol(virConnectPtr conn ATTRIBUTE_UNUSED,
     virCommandPtr cmd = virCommandNewArgList(COLLIE, "vdi", "create", vol->name, NULL);
     virCommandAddArgFormat(cmd, "%llu", vol->capacity);
     virStorageBackendSheepdogAddHostArg(cmd, pool);
-    ret = virCommandRun(cmd, NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        goto cleanup;
 
-    virStorageBackendSheepdogRefreshVol(conn, pool, vol);
+    if (virStorageBackendSheepdogRefreshVol(conn, pool, vol) < 0)
+        goto cleanup;
 
+    ret = 0;
+cleanup:
     virCommandFree(cmd);
     return ret;
 }
-- 
1.7.0.4