Linux 3.14

[~andy/linux] / fs / udf / inode.c

diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 062b7925bca04c02949919ac37aab790d7b982a2..982ce05c87ed61c86dfc9200731a28f2db44b70b 100644 (file)
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -265,6 +265,7 @@ int udf_expand_file_adinicb(struct inode *inode)
                .nr_to_write = 1,
        };
 
+       WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex));
        if (!iinfo->i_lenAlloc) {
                if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
                        iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT;