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-rw-r--r--crypto/mem.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/crypto/mem.c b/crypto/mem.c
index 6635167228..43d48ab425 100644
--- a/crypto/mem.c
+++ b/crypto/mem.c
@@ -250,7 +250,6 @@ void CRYPTO_get_mem_debug_functions(void (**m)(void *,int,const char *,int,int),
void *CRYPTO_malloc_locked(int num, const char *file, int line)
{
void *ret = NULL;
- extern unsigned char cleanse_ctr;
if (num <= 0) return NULL;
@@ -267,11 +266,15 @@ void *CRYPTO_malloc_locked(int num, const char *file, int line)
if (malloc_debug_func != NULL)
malloc_debug_func(ret, num, file, line, 1);
+#ifndef OPENSSL_CPUID_OBJ
/* Create a dependency on the value of 'cleanse_ctr' so our memory
* sanitisation function can't be optimised out. NB: We only do
* this for >2Kb so the overhead doesn't bother us. */
if(ret && (num > 2048))
+ { extern unsigned char cleanse_ctr;
((unsigned char *)ret)[0] = cleanse_ctr;
+ }
+#endif
return ret;
}
@@ -291,7 +294,6 @@ void CRYPTO_free_locked(void *str)
void *CRYPTO_malloc(int num, const char *file, int line)
{
void *ret = NULL;
- extern unsigned char cleanse_ctr;
if (num <= 0) return NULL;
@@ -308,11 +310,15 @@ void *CRYPTO_malloc(int num, const char *file, int line)
if (malloc_debug_func != NULL)
malloc_debug_func(ret, num, file, line, 1);
+#ifndef OPENSSL_CPUID_OBJ
/* Create a dependency on the value of 'cleanse_ctr' so our memory
* sanitisation function can't be optimised out. NB: We only do
* this for >2Kb so the overhead doesn't bother us. */
if(ret && (num > 2048))
+ { extern unsigned char cleanse_ctr;
((unsigned char *)ret)[0] = cleanse_ctr;
+ }
+#endif
return ret;
}