[libvirt] [PATCH] storage: Refetch file status after open

[Michal Privoznik]

This partly reverts my previous patch f88de3eb. We need to
get file status after open, as given path could have been symlink,
so fstat() will operate on different file than lstat().
---
 src/storage/storage_backend.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
index d30829d..d7394e0 100644
--- a/src/storage/storage_backend.c
+++ b/src/storage/storage_backend.c
@@ -1041,6 +1041,14 @@ virStorageBackendVolOpenCheckMode(const char *path, unsigned int flags)
         return -1;
     }
 
+    if (fstat(fd, &sb) < 0) {
+        virReportSystemError(errno,
+                             _("cannot stat file '%s'"),
+                             path);
+        VIR_FORCE_CLOSE(fd);
+        return -1;
+    }
+
     if (S_ISREG(sb.st_mode))
         mode = VIR_STORAGE_VOL_OPEN_REG;
     else if (S_ISCHR(sb.st_mode))
-- 
1.7.3.4