KEYS: Add KEYCTL_DH_COMPUTE command

[cascardo/linux.git] / security / keys / internal.h

diff --git a/security/keys/internal.h b/security/keys/internal.h
index 5105c2c..8ec7a52 100644 (file)
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -15,6 +15,7 @@
 #include <linux/sched.h>
 #include <linux/key-type.h>
 #include <linux/task_work.h>
+#include <linux/keyctl.h>
 
 struct iovec;
 
@@ -257,6 +258,17 @@ static inline long keyctl_get_persistent(uid_t uid, key_serial_t destring)
 }
 #endif
 
+#ifdef CONFIG_KEY_DH_OPERATIONS
+extern long keyctl_dh_compute(struct keyctl_dh_params __user *, char __user *,
+                             size_t);
+#else
+static inline long keyctl_dh_compute(struct keyctl_dh_params __user *params,
+                                    char __user *buffer, size_t buflen)
+{
+       return -EOPNOTSUPP;
+}
+#endif
+
 /*
  * Debugging key validation
  */