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-rw-r--r--kernel/capability.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/capability.c b/kernel/capability.c
index bfa3c92e16f..1a4d8a40d3f 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -233,3 +233,19 @@ out:
return ret;
}
+
+int __capable(struct task_struct *t, int cap)
+{
+ if (security_capable(t, cap) == 0) {
+ t->flags |= PF_SUPERPRIV;
+ return 1;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(__capable);
+
+int capable(int cap)
+{
+ return __capable(current, cap);
+}
+EXPORT_SYMBOL(capable);