diff options
Diffstat (limited to 'crypto/mem.c')
| -rw-r--r-- | crypto/mem.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/crypto/mem.c b/crypto/mem.c index b3f7a1fa00..336446789c 100644 --- a/crypto/mem.c +++ b/crypto/mem.c @@ -201,7 +201,14 @@ void *CRYPTO_malloc(size_t num, const char *file, int line) return NULL; FAILTEST(); - allow_customize = 0; + if (allow_customize) { + /* + * Disallow customization after the first allocation. We only set this + * if necessary to avoid a store to the same cache line on every + * allocation. + */ + allow_customize = 0; + } #ifndef OPENSSL_NO_CRYPTO_MDEBUG if (call_malloc_debug) { CRYPTO_mem_debug_malloc(NULL, num, 0, file, line); @@ -243,7 +250,6 @@ void *CRYPTO_realloc(void *str, size_t num, const char *file, int line) return NULL; } - allow_customize = 0; #ifndef OPENSSL_NO_CRYPTO_MDEBUG if (call_malloc_debug) { void *ret; |