From 11d06b2a1e5658f448a308aa3beb97bacd64a940 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 30 Mar 2009 05:45:36 -0400 Subject: Kill unsharing fs_struct in __set_personality() That's a rudiment of altroot support. I.e. it should've been buried a long time ago. Signed-off-by: Al Viro --- kernel/exec_domain.c | 22 ---------------------- 1 file changed, 22 deletions(-) (limited to 'kernel/exec_domain.c') diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c index 667c841c2952..cb8e9626c215 100644 --- a/kernel/exec_domain.c +++ b/kernel/exec_domain.c @@ -145,28 +145,6 @@ __set_personality(u_long personality) return 0; } - if (atomic_read(¤t->fs->count) != 1) { - struct fs_struct *fsp, *ofsp; - - fsp = copy_fs_struct(current->fs); - if (fsp == NULL) { - module_put(ep->module); - return -ENOMEM; - } - - task_lock(current); - ofsp = current->fs; - current->fs = fsp; - task_unlock(current); - - put_fs_struct(ofsp); - } - - /* - * At that point we are guaranteed to be the sole owner of - * current->fs. - */ - current->personality = personality; oep = current_thread_info()->exec_domain; current_thread_info()->exec_domain = ep; -- cgit