free NULL cleanup 7

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

diff --git a/doc/crypto/BN_mod_mul_reciprocal.pod b/doc/crypto/BN_mod_mul_reciprocal.pod
index cd4b728f47bd117cc46b82fd5551d3bfe50db799..7a7d503c837647eabd6fac57aced4a3bd968256b 100644 (file)
--- a/doc/crypto/BN_mod_mul_reciprocal.pod
+++ b/doc/crypto/BN_mod_mul_reciprocal.pod
@@ -34,6 +34,7 @@ BN_RECP_CTX_init() initializes an existing uninitialized B<BN_RECP>.
 
 BN_RECP_CTX_free() frees the components of the B<BN_RECP>, and, if it
 was created by BN_RECP_CTX_new(), also the structure itself.
+If B<recp> is NULL, nothing is done.
 
 BN_RECP_CTX_set() stores B<m> in B<recp> and sets it up for computing
 1/B<m> and shifting it left by BN_num_bits(B<m>)+1 to make it an