freertos: Add addition overflow check for stream buffer
Patch from upstream commit
@@ -242,8 +242,15 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
this is a quirk of the implementation that means otherwise the free
space would be reported as one byte smaller than would be logically
expected. */
+ if( xBufferSizeBytes < ( xBufferSizeBytes + 1 + sizeof( StreamBuffer_t ) ) )
+ {
xBufferSizeBytes++;
pucAllocatedMemory = ( uint8_t * ) pvPortMalloc( xBufferSizeBytes + sizeof( StreamBuffer_t ) ); /*lint !e9079 malloc() only returns void*. */
+ }
+ else
+ {
+ pucAllocatedMemory = NULL;
+ }
if( pucAllocatedMemory != NULL )
{
