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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-05-19 17:00:06 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-05-19 17:00:06 +1000
commit4c8440666b995f20604852b35dcfdbcc1d5931f1 (patch)
treeb3b6cd65ee275ba1adf9d2c050063f30ebbadb91 /kernel/capability.c
parent751e1f5099f1568444fe2485f2485ca541d4952e (diff)
parentc560bbceaf6b06e52f1ef20131b76a3fdc0a2c19 (diff)
Merge branch 'merge' into next
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);
+}