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| author | Al Viro <viro@zeniv.linux.org.uk> | 2009-03-30 05:45:36 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-03-31 23:00:25 -0400 |
| commit | 11d06b2a1e5658f448a308aa3beb97bacd64a940 (patch) | |
| tree | 5e6fdad704151ac54eb60a5ea5de7a6e5f79112e | |
| parent | 15f7176eb1cccec0a332541285ee752b935c1c85 (diff) | |
| download | linux-3.10-11d06b2a1e5658f448a308aa3beb97bacd64a940.tar.gz linux-3.10-11d06b2a1e5658f448a308aa3beb97bacd64a940.tar.bz2 linux-3.10-11d06b2a1e5658f448a308aa3beb97bacd64a940.zip | |
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 <viro@zeniv.linux.org.uk>
| -rw-r--r-- | kernel/exec_domain.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c index 667c841c295..cb8e9626c21 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; |