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Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index a79b3cc09e9..825364fae69 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2594,12 +2594,15 @@ int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree, stripe_nr = stripe_nr * map->num_stripes + i; } bytenr = chunk_start + stripe_nr * map->stripe_len; + WARN_ON(nr >= map->num_stripes); for (j = 0; j < nr; j++) { if (buf[j] == bytenr) break; } - if (j == nr) + if (j == nr) { + WARN_ON(nr >= map->num_stripes); buf[nr++] = bytenr; + } } for (i = 0; i > nr; i++) { |