Merge remote-tracking branches 'spi/topic/spidev', 'spi/topic/sunxi', 'spi/topic...

[linux.git] / Documentation / security / keys.txt

diff --git a/Documentation/security/keys.txt b/Documentation/security/keys.txt
index 20d05719bceb92fa6c05648d5abe2e824be408de..3849814bfe6dd22e501407b887e717fd4a8dc2fa 100644 (file)
--- a/Documentation/security/keys.txt
+++ b/Documentation/security/keys.txt
@@ -826,7 +826,8 @@ The keyctl syscall functions are:
  (*) Compute a Diffie-Hellman shared secret or public key
 
        long keyctl(KEYCTL_DH_COMPUTE, struct keyctl_dh_params *params,
-                  char *buffer, size_t buflen);
+                  char *buffer, size_t buflen,
+                  void *reserved);
 
      The params struct contains serial numbers for three keys:
 
@@ -843,6 +844,8 @@ The keyctl syscall functions are:
      public key.  If the base is the remote public key, the result is
      the shared secret.
 
+     The reserved argument must be set to NULL.
+
      The buffer length must be at least the length of the prime, or zero.
 
      If the buffer length is nonzero, the length of the result is