free NULL cleanup

[openssl.git] / doc / crypto / EVP_PKEY_CTX_new.pod

diff --git a/doc/crypto/EVP_PKEY_CTX_new.pod b/doc/crypto/EVP_PKEY_CTX_new.pod
index a9af8675801b36b3bdb4be6999b29f8b7b4b320d..17d5e74b9da489cd9741f897ff3467ee14ab92d9 100644 (file)
--- a/doc/crypto/EVP_PKEY_CTX_new.pod
+++ b/doc/crypto/EVP_PKEY_CTX_new.pod
@@ -26,6 +26,7 @@ during parameter generation of key genration for some algorithms.
 EVP_PKEY_CTX_dup() duplicates the context B<ctx>.
 
 EVP_PKEY_CTX_free() frees up the context B<ctx>.
+If B<ctx> is NULL, nothing is done.
 
 =head1 NOTES