[PATCH 1/2] nullfree: add matches for null free cases from OpenSSL

[Stephen Hemminger]

OpenSSL functions follow the design parameter that free
of NULL is ok.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 devtools/cocci/nullfree.cocci | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/devtools/cocci/nullfree.cocci b/devtools/cocci/nullfree.cocci
index 9ca3fc2864..c58aad4fb7 100644
--- a/devtools/cocci/nullfree.cocci
+++ b/devtools/cocci/nullfree.cocci
@@ -126,4 +126,13 @@ expression E;
 |
 - if (E != NULL) trie_free(E);
 + trie_free(E);
+|
+- if (E != NULL) EVP_PKEY_CTX_free(E);
++ EVP_PKEY_CTX_free(E);
+|
+- if (E != NULL) EVP_PKEY_free(E);
++ EVP_PKEY_free(E);
+|
+- if (E != NULL) BN_free(E);
++ BN_free(E);
 )
-- 
2.41.0