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-rw-r--r--fs/btrfs/volumes.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 2b4d33b58..0294f519c 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1418,7 +1418,7 @@ again:
goto out;
}
- while (1) {
+ while (search_start < search_end) {
l = path->nodes[0];
slot = path->slots[0];
if (slot >= btrfs_header_nritems(l)) {
@@ -1441,6 +1441,9 @@ again:
if (key.type != BTRFS_DEV_EXTENT_KEY)
goto next;
+ if (key.offset > search_end)
+ break;
+
if (key.offset > search_start) {
hole_size = key.offset - search_start;
@@ -1515,6 +1518,7 @@ next:
else
ret = 0;
+ ASSERT(max_hole_start + max_hole_size <= search_end);
out:
btrfs_free_path(path);
*start = max_hole_start;