1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ac98384b174e..3d2c64d4734a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3677,6 +3677,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
                                 block_end - cur_offset, 0);
                 if (IS_ERR(em)) {
                         err = PTR_ERR(em);
+                        em = NULL;
                         break;
                 }
                 last_byte = min(extent_map_end(em), block_end);