[v1] storage: improve the while loop virStorageBackendFileSystemIsMounted

[libvirt] [PATCH] storage: improve the while loop virStorageBackendFileSystemIsMounted

Yi Li posted 1 patch 4 years, 5 months ago

Diff against v2
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git fetch https://github.com/patchew-project/libvirt tags/patchew/1572494126-29765-1-git-send-email-yili@winhong.com

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src/storage/storage_backend_fs.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

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[libvirt] [PATCH] storage: improve the while loop virStorageBackendFileSystemIsMounted

Posted by Yi Li 4 years, 5 months ago

Move virStorageBackendFileSystemGetPoolSource outside of the while loop

Signed-off-by: Yi Li <yili@winhong.com>
---
 src/storage/storage_backend_fs.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
index 02b8248..10d9457 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
          */
-- 
2.7.5



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