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authorJung-uk Kim <jkim@FreeBSD.org>2015-12-03 17:25:26 +0000
committerJung-uk Kim <jkim@FreeBSD.org>2015-12-03 17:25:26 +0000
commit145e3a85931a836f8dccec73e02594f7255abcfd (patch)
tree03b95bb4075b5bfadd5b0dabf3c4233035d6b774 /crypto/mem_clr.c
parentd7a2d00e5375699d95f3720a7b779ded3c805b5f (diff)
downloadsrc-vendor/openssl-0.9.8.tar.gz
src-vendor/openssl-0.9.8.zip
Notes
Notes: svn path=/vendor-crypto/openssl/dist-0.9.8/; revision=291711 svn path=/vendor-crypto/openssl/0.9.8zh/; revision=291712; tag=vendor/openssl/0.9.8zh
Diffstat (limited to 'crypto/mem_clr.c')
-rw-r--r--crypto/mem_clr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/mem_clr.c b/crypto/mem_clr.c
index 3df1f3928d06..1a06636d0ce8 100644
--- a/crypto/mem_clr.c
+++ b/crypto/mem_clr.c
@@ -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));