[PATCH] xfs: Use WARN_ON rather than BUG() for bailout mount-operation

[Austin Kim]

If the CONFIG_BUG is enabled, BUG() is executed and then system is crashed.
However, the bailout for mount is no longer proceeding.

For this reason, using WARN_ON rather than BUG() could prevent this situation.
---
 fs/xfs/xfs_mount.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 322da69..10fe000 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -213,8 +213,7 @@ xfs_initialize_perag(
                        goto out_hash_destroy;
 
                spin_lock(&mp->m_perag_lock);
-               if (radix_tree_insert(&mp->m_perag_tree, index, pag)) {
-                       BUG();
+               if (WARN_ON(radix_tree_insert(&mp->m_perag_tree, index, pag))){
                        spin_unlock(&mp->m_perag_lock);
                        radix_tree_preload_end();
                        error = -EEXIST;
-- 
2.6.2