[PATCH 5/7] qemuSnapshotPrepareDiskExternal: Refactor existing file check

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Use the snapshot disk type from the definition now that we validate that
it matches.

Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
 src/qemu/qemu_snapshot.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/qemu/qemu_snapshot.c b/src/qemu/qemu_snapshot.c
index 96c43f69e7..dab386e455 100644
--- a/src/qemu/qemu_snapshot.c
+++ b/src/qemu/qemu_snapshot.c
@@ -607,10 +607,11 @@ qemuSnapshotPrepareDiskExternal(virDomainObj *vm,
                 return -1;
             }

-            if (!S_ISBLK(st.st_mode) && st.st_size && !reuse) {
+            if (!reuse &&
+                snapdisk->src->type == VIR_STORAGE_TYPE_FILE &&
+                st.st_size > 0) {
                 virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                               _("external snapshot file for disk %s already "
-                                 "exists and is not a block device: %s"),
+                               _("external snapshot file for disk %s already exists and is not a block device: %s"),
                                snapdisk->name, snapdisk->src->path);
                 return -1;
             }
-- 
2.31.1




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