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authorOlof Johansson <olof@lixom.net>2013-04-02 10:59:15 -0700
committerOlof Johansson <olof@lixom.net>2013-04-02 10:59:28 -0700
commitc2573077dfacebdf58f69c666e8f15e9528e5a12 (patch)
treee2a6b24366a6b8d75e5b885d82ed25a11da35317 /kernel/fork.c
parent46f101df788b38fafa08e85dcbf85d3bff6c1ea3 (diff)
parentc0114709ed85a5693eb74acdfa03d94f7f12e5b8 (diff)
downloadolio-linux-3.10-c2573077dfacebdf58f69c666e8f15e9528e5a12.tar.xz
olio-linux-3.10-c2573077dfacebdf58f69c666e8f15e9528e5a12.zip
Merge branch 'gic' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64 into next/cleanup
* 'gic' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: irqchip: gic: Perform the gic_secondary_init() call via CPU notifier irqchip: gic: Call handle_bad_irq() directly arm: Move chained_irq_(enter|exit) to a generic file arm: Move the set_handle_irq and handle_arch_irq declarations to asm/irq.h + Linux 3.9-rc3 Signed-off-by: Olof Johansson <olof@lixom.net>
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 8d932b1c905..1766d324d5e 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.
*/