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authorJason Cooper <jason@lakedaemon.net>2013-04-15 14:55:23 +0000
committerJason Cooper <jason@lakedaemon.net>2013-04-15 14:55:23 +0000
commitb757f17e9184b65428c48a281d82f9acb3e96f0e (patch)
tree7dc22c9f82f78c20caeff00fdd68a2e92e40504a /kernel/fork.c
parent3c76a8a95daeecd881718f88324041f6a5faab86 (diff)
parentda497f6fbaa190d34907ecc9dd85cfc62ba9f5a2 (diff)
Merge tag 'tags/soc_for_v3.10' into mvebu/dt
Pulling in mvebu branches which contain changes to armada*.dts? files for LPAE conversion. mvebu soc changes for v3.10 - use the mvebu-mbus driver - prep for LPAE support Depends: - mvebu/cleanup (tags/cleanup_for_v3.10) - mvebu/drivers (tags/drivers_for_v3.10)
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 8d932b1c9056..1766d324d5e3 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1141,6 +1141,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
return ERR_PTR(-EINVAL);
+ if ((clone_flags & (CLONE_NEWUSER|CLONE_FS)) == (CLONE_NEWUSER|CLONE_FS))
+ return ERR_PTR(-EINVAL);
+
/*
* Thread groups must share signals as well, and detached threads
* can only be started up within the thread group.
@@ -1807,7 +1810,7 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
* If unsharing a user namespace must also unshare the thread.
*/
if (unshare_flags & CLONE_NEWUSER)
- unshare_flags |= CLONE_THREAD;
+ unshare_flags |= CLONE_THREAD | CLONE_FS;
/*
* If unsharing a pid namespace must also unshare the thread.
*/