open.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.19-rc4/fs/open.c
===================================================================
--- linux-2.6.19-rc4.orig/fs/open.c	2006-10-31 09:07:36.000000000 +0530
+++ linux-2.6.19-rc4/fs/open.c	2006-11-06 14:28:19.000000000 +0530
@@ -549,7 +549,7 @@
 	if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
 		goto dput_and_out;
 
-	mutex_lock(&inode->i_mutex);
+	mutex_lock_nested(&inode->i_mutex, I_MUTEX_PARENT);
 	if (mode == (mode_t) -1)
 		mode = inode->i_mode;
 	newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);