[PATCH 5/7] btrfs: warn for num_devices below 0

[Anand Jain]

In preparation to de-duplicate a section of code where we deduce the
num_devices, use warn instead of bug.

Signed-off-by: Anand Jain <anand.j...@oracle.com>
---
 fs/btrfs/volumes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 7f4973fc2b52..0f4c512aa6b4 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3726,7 +3726,7 @@ int btrfs_balance(struct btrfs_fs_info *fs_info,
        num_devices = fs_info->fs_devices->num_devices;
        btrfs_dev_replace_read_lock(&fs_info->dev_replace);
        if (btrfs_dev_replace_is_ongoing(&fs_info->dev_replace)) {
-               BUG_ON(num_devices < 1);
+               WARN_ON(num_devices < 1);
                num_devices--;
        }
        btrfs_dev_replace_read_unlock(&fs_info->dev_replace);
-- 
2.7.0

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