Improve documentation for error code checking
Improve comments explaining error code checking, fix incorrect comments
and make a small formatting fix.
Signed-off-by: Chris Jones <christopher.jones@arm.com>
diff --git a/library/ssl_cookie.c b/library/ssl_cookie.c
index b64c354..69d1b32 100644
--- a/library/ssl_cookie.c
+++ b/library/ssl_cookie.c
@@ -220,7 +220,7 @@
#if defined(MBEDTLS_THREADING_C)
if( mbedtls_mutex_unlock( &ctx->mutex ) != 0 )
- return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_SSL_INTERNAL_ERROR ,
+ return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_SSL_INTERNAL_ERROR,
MBEDTLS_ERR_THREADING_MUTEX_ERROR ) );
#endif