1 files changed, 5 insertions, 0 deletions

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 220dad5db017..66122bdf8bbf 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2538,6 +2538,11 @@ int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset)
         if (!em)
                 return 1;
 
+        if (btrfs_test_opt(root, DEGRADED)) {
+                free_extent_map(em);
+                return 0;
+        }
+
         map = (struct map_lookup *)em->bdev;
         for (i = 0; i < map->num_stripes; i++) {
                 if (!map->stripes[i].dev->writeable) {