xfs: Use WARN_ON_ONCE for bailout mount-operation

If the CONFIG_BUG is enabled, BUG is executed and then system is crashed. However, the bailout for mount is no longer proceeding. Using WARN_ON_ONCE rather than BUG can prevent this situation. Signed-off-by: Austin Kim <[email protected]> Reviewed-by: Darrick J. Wong <[email protected]> Signed-off-by: Darrick J. Wong <[email protected]>
IreneKnapp · Sep 6, 2019 · eb2e999 · eb2e999
1 parent bc56ad8
commit eb2e999
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
@@ -214,7 +214,7 @@ xfs_initialize_perag(
 
 		spin_lock(&mp->m_perag_lock);
 		if (radix_tree_insert(&mp->m_perag_tree, index, pag)) {
-			BUG();
+			WARN_ON_ONCE(1);
 			spin_unlock(&mp->m_perag_lock);
 			radix_tree_preload_end();
 			error = -EEXIST;