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authorArnd Bergmann <arnd@arndb.de>2013-04-09 13:50:59 (GMT)
committerArnd Bergmann <arnd@arndb.de>2013-04-09 14:01:23 (GMT)
commit835f9c38bbb4498c3d43b7466964bdadbb1fd244 (patch)
treeade5aec66bc7ddb97048c4f141932de0f93369b9 /kernel/fork.c
parentf5f29151588744ea2e283971cb0ad403ee04e3e2 (diff)
parenta937536b868b8369b98967929045f1df54234323 (diff)
downloadlinux-fsl-qoriq-835f9c38bbb4498c3d43b7466964bdadbb1fd244.tar.xz
Merge tag 'v3.9-rc3' into next/multiplatform
Linux 3.9-rc3 Conflicts: arch/arm/Kconfig arch/arm/mach-spear/spear3xx.c arch/arm/plat-spear/Kconfig This is a dependency for ux500/multiplatform Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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 8d932b1..1766d32 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.
*/