summaryrefslogtreecommitdiff
path: root/Cryptlib/OpenSSL/crypto/mem_clr.c
diff options
context:
space:
mode:
authorMathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>2016-09-21 20:29:42 -0400
committerMathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>2016-09-21 20:29:42 -0400
commit62f0afa2ecead02b1258dabab8097ca278a22f8f (patch)
tree56132d617fff7c4f05e67024ec872d88fcafa92d /Cryptlib/OpenSSL/crypto/mem_clr.c
parentd3819813b8e0a64400ddf3ce033bae7c3f245508 (diff)
downloadefi-boot-shim-62f0afa2ecead02b1258dabab8097ca278a22f8f.tar.gz
efi-boot-shim-62f0afa2ecead02b1258dabab8097ca278a22f8f.zip
Import upstream version 0.9+1474479173.6c180c6
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/mem_clr.c')
-rw-r--r--Cryptlib/OpenSSL/crypto/mem_clr.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/Cryptlib/OpenSSL/crypto/mem_clr.c b/Cryptlib/OpenSSL/crypto/mem_clr.c
index 3df1f392..ab85344e 100644
--- a/Cryptlib/OpenSSL/crypto/mem_clr.c
+++ b/Cryptlib/OpenSSL/crypto/mem_clr.c
@@ -1,4 +1,4 @@
-/* crypto/mem_clr.c -*- mode:C; c-file-style: "eay" -*- */
+/* crypto/mem_clr.c */
/*
* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project
* 2002.
@@ -66,6 +66,10 @@ void OPENSSL_cleanse(void *ptr, size_t len)
{
unsigned char *p = ptr;
size_t loop = len, ctr = cleanse_ctr;
+
+ if (ptr == NULL)
+ return;
+
while (loop--) {
*(p++) = (unsigned char)ctr;
ctr += (17 + ((size_t)p & 0xF));