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-rw-r--r--kernel/nsproxy.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 364ceab15f0c..d9afd256318f 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -148,7 +148,8 @@ int copy_namespaces(unsigned long flags, struct task_struct *tsk)
* means share undolist with parent, so we must forbid using
* it along with CLONE_NEWIPC.
*/
- if ((flags & CLONE_NEWIPC) && (flags & CLONE_SYSVSEM)) {
+ if ((flags & (CLONE_NEWIPC | CLONE_SYSVSEM)) ==
+ (CLONE_NEWIPC | CLONE_SYSVSEM)) {
err = -EINVAL;
goto out;
}