if (x) free(x) -> free(x); semantic patch generated with coccinelle, carefully

eyeballed before applying. Contributed by Cyril Roelandt on tech@

3 files changed, 3 insertions, 6 deletions

diff --git a/src/lib/libcrypto/cms/cms_env.c b/src/lib/libcrypto/cms/cms_env.c
index 78fa2aa7b7..5e6e7033b2 100644
--- a/src/lib/libcrypto/cms/cms_env.c
+++ b/src/lib/libcrypto/cms/cms_env.c
@@ -354,8 +354,7 @@ static int cms_RecipientInfo_ktri_encrypt(CMS_ContentInfo *cms,
         err:
         if (pctx)
                 EVP_PKEY_CTX_free(pctx);
-        if (ek)
-                free(ek);
+        free(ek);
         return ret;
 
         }
diff --git a/src/lib/libcrypto/cms/cms_ess.c b/src/lib/libcrypto/cms/cms_ess.c
index 99a4da6356..8dbd56ef2b 100644
--- a/src/lib/libcrypto/cms/cms_ess.c
+++ b/src/lib/libcrypto/cms/cms_ess.c
@@ -156,8 +156,7 @@ int CMS_add1_ReceiptRequest(CMS_SignerInfo *si, CMS_ReceiptRequest *rr)
         if (!r)
                 CMSerr(CMS_F_CMS_ADD1_RECEIPTREQUEST, ERR_R_MALLOC_FAILURE);
 
-        if (rrder)
-                free(rrder);
+        free(rrder);
 
         return r;
         
diff --git a/src/lib/libcrypto/cms/cms_sd.c b/src/lib/libcrypto/cms/cms_sd.c
index d852af596d..976881743b 100644
--- a/src/lib/libcrypto/cms/cms_sd.c
+++ b/src/lib/libcrypto/cms/cms_sd.c
@@ -759,8 +759,7 @@ int CMS_SignerInfo_sign(CMS_SignerInfo *si)
         return 1;
 
         err:
-        if (abuf)
-                free(abuf);
+        free(abuf);
         EVP_MD_CTX_cleanup(&mctx);
         return 0;