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authorThomas Gleixner <tglx@linutronix.de>2011-05-20 20:06:24 +0200
committerThomas Gleixner <tglx@linutronix.de>2011-05-20 20:08:05 +0200
commit250f972d85effad5b6e10da4bbd877e6a4b503b6 (patch)
tree007393a6fc6439af7e0121dd99a6f9f9fb8405bc /kernel/capability.c
parentclockevents: Move C3 stop test outside lock (diff)
parentMAINTAINERS: Add drivers/clocksource to TIMEKEEPING (diff)
downloadlinux-250f972d85effad5b6e10da4bbd877e6a4b503b6.tar.xz
linux-250f972d85effad5b6e10da4bbd877e6a4b503b6.zip
Merge branch 'timers/urgent' into timers/core
Reason: Get upstream fixes and kfree_rcu which is necessary for a follow up patch. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/capability.c')
-rw-r--r--kernel/capability.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/capability.c b/kernel/capability.c
index bf0c734d0c12..32a80e08ff4b 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -399,3 +399,15 @@ bool task_ns_capable(struct task_struct *t, int cap)
return ns_capable(task_cred_xxx(t, user)->user_ns, cap);
}
EXPORT_SYMBOL(task_ns_capable);
+
+/**
+ * nsown_capable - Check superior capability to one's own user_ns
+ * @cap: The capability in question
+ *
+ * Return true if the current task has the given superior capability
+ * targeted at its own user namespace.
+ */
+bool nsown_capable(int cap)
+{
+ return ns_capable(current_user_ns(), cap);
+}