1 files changed, 3 insertions, 1 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index c906bb19b211..68137cd8506a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1195,7 +1195,9 @@ static int pin_down_bytes(struct btrfs_root *root, u64 bytenr, u32 num_bytes,
                         if (btrfs_buffer_uptodate(buf)) {
                                 u64 transid =
                                     root->fs_info->running_transaction->transid;
-                                if (btrfs_header_generation(buf) == transid) {
+                                u64 header_transid =
+                                        btrfs_header_generation(buf);
+                                if (header_transid == transid) {
                                         free_extent_buffer(buf);
                                         return 1;
                                 }