diff options
| author | Jung-uk Kim <jkim@FreeBSD.org> | 2015-12-03 17:24:16 +0000 |
|---|---|---|
| committer | Jung-uk Kim <jkim@FreeBSD.org> | 2015-12-03 17:24:16 +0000 |
| commit | 7f3b396bf01ae727af21c432a52afb8e8ff5781b (patch) | |
| tree | 8b12a96cca9b24a3d486b1a2e2bed6f3d1f3f2e9 /crypto/mem_clr.c | |
| parent | c07d7b3a386974c338492659291008bed07948e6 (diff) | |
Diffstat (limited to 'crypto/mem_clr.c')
| -rw-r--r-- | crypto/mem_clr.c | 4 |
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)); |