diff --git a/fs/udf/file.c b/fs/udf/file.c
index 2faa417..bb40d63 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -49,8 +49,7 @@
 	struct inode *inode = page->mapping->host;
 	char *kaddr;
 
-	if (!PageLocked(page))
-		PAGE_BUG(page);
+	BUG_ON(!PageLocked(page));
 
 	kaddr = kmap(page);
 	memset(kaddr, 0, PAGE_CACHE_SIZE);
@@ -67,8 +66,7 @@
 	struct inode *inode = page->mapping->host;
 	char *kaddr;
 
-	if (!PageLocked(page))
-		PAGE_BUG(page);
+	BUG_ON(!PageLocked(page));
 
 	kaddr = kmap(page);
 	memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), kaddr, inode->i_size);