[libvirt] [PATCH] storage: Don't get src in each loop since src is not changed

[李义]

The src of pool is not changed in each loop,
so don't VIR_FREE(src) and get when next iteration.

Signed-off-by: Yi Li <yili at winhong.com>
---
 src/storage/storage_backend_fs.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
index 02b8248..27c1098 100644
--- a/src/storage/storage_backend_fs.c
+++ b/src/storage/storage_backend_fs.c
@@ -258,10 +258,10 @@
virStorageBackendFileSystemIsMounted(virStoragePoolObjPtr pool)
         goto cleanup;
     }

-    while ((getmntent_r(mtab, &ent, buf, sizeof(buf))) != NULL) {
-        if (!(src = virStorageBackendFileSystemGetPoolSource(pool)))
-            goto cleanup;
+    if ((src = virStorageBackendFileSystemGetPoolSource(pool)) == NULL)
+        goto cleanup;

+    while ((getmntent_r(mtab, &ent, buf, sizeof(buf))) != NULL) {
         /* compare both mount destinations and sources to be sure the mounted
          * FS pool is really the one we're looking for
          */
@@ -273,8 +273,6 @@
virStorageBackendFileSystemIsMounted(virStoragePoolObjPtr pool)
             ret = 1;
             goto cleanup;
         }
-
-        VIR_FREE(src);
     }

     ret = 0;

--
2.7.5