diff options
Diffstat (limited to 'thirdparty/mbedtls/library/platform_util.c')
-rw-r--r-- | thirdparty/mbedtls/library/platform_util.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/thirdparty/mbedtls/library/platform_util.c b/thirdparty/mbedtls/library/platform_util.c index 756e22679a..b1f745097c 100644 --- a/thirdparty/mbedtls/library/platform_util.c +++ b/thirdparty/mbedtls/library/platform_util.c @@ -72,7 +72,10 @@ static void * (* const volatile memset_func)( void *, int, size_t ) = memset; void mbedtls_platform_zeroize( void *buf, size_t len ) { - memset_func( buf, 0, len ); + MBEDTLS_INTERNAL_VALIDATE( len == 0 || buf != NULL ); + + if( len > 0 ) + memset_func( buf, 0, len ); } #endif /* MBEDTLS_PLATFORM_ZEROIZE_ALT */ |