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Address concurrency and style issues 

1. Use atomic operations to increase and decrease counter.
2. Style fixes.
Remove unused function declaration.
pull/7099/head
Ron Eldor 2018-08-30 11:18:23 +03:00
parent 479438953f
commit 1f5cee967d
2 changed files with 7 additions and 7 deletions
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1
features/mbedtls/platform/inc/platform_alt.h
View File

@ -36,7 +36,6 @@ typedef struct {
mbedtls_platform_context;
void mbedtls_platform_init( mbedtls_platform_context* ctx);
/**
* \brief This function performs any platform initialization operations,
* needed for setting up cryptographic modules.

9
features/mbedtls/platform/src/platform_alt.c
View File

@ -20,13 +20,15 @@
#include "mbedtls/platform.h"
#if defined(MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT)
mbedtls_platform_context ctx = {0};
#include "mbed_critical.h"
mbedtls_platform_context ctx = { };
int mbedtls_platform_setup( mbedtls_platform_context *obsolete_ctx )
{
int ret = 0;
ctx.reference_count++;
core_util_atomic_incr_u32( ( volatile uint32_t * )&ctx.reference_count, 1 );
if( ctx.reference_count == 1 )
{
@ -39,8 +41,7 @@ int mbedtls_platform_setup( mbedtls_platform_context *obsolete_ctx )
void mbedtls_platform_teardown( mbedtls_platform_context *obsolete_ctx )
{
ctx.reference_count--;
core_util_atomic_decr_u32( ( volatile uint32_t * )&ctx.reference_count, 1 );
if( ctx.reference_count <= 0 )
{
/* call platform specific code to terminate crypto driver */