remove NULL-checks before free()

1 files changed, 5 insertions, 9 deletions

diff --git a/src/lib/libcrypto/comp/c_zlib.c b/src/lib/libcrypto/comp/c_zlib.c
index 4951ade810..d9a3359313 100644
--- a/src/lib/libcrypto/comp/c_zlib.c
+++ b/src/lib/libcrypto/comp/c_zlib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: c_zlib.c,v 1.17 2014/11/03 16:58:28 tedu Exp $ */
+/* $OpenBSD: c_zlib.c,v 1.18 2015/12/23 20:37:23 mmcc Exp $ */
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -524,18 +524,14 @@ bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr)
                 }
 
                 if (ibs != -1) {
-                        if (ctx->ibuf) {
-                                free(ctx->ibuf);
-                                ctx->ibuf = NULL;
-                        }
+                        free(ctx->ibuf);
+                        ctx->ibuf = NULL;
                         ctx->ibufsize = ibs;
                 }
 
                 if (obs != -1) {
-                        if (ctx->obuf) {
-                                free(ctx->obuf);
-                                ctx->obuf = NULL;
-                        }
+                        free(ctx->obuf);
+                        ctx->obuf = NULL;
                         ctx->obufsize = obs;
                 }
                 ret = 1;