kernel/nsproxy.c: Improving a snippet of code.

[mirror_ubuntu-bionic-kernel.git] / kernel / nsproxy.c

diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 364ceab15f0cc09816fdd1b36b78814b06227991..d9afd256318fd5fd2808f14f123b2fbb11141bf8 100644 (file)
--- 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;
        }