yaca_ctx_free: NULL context handling

Ignore null contexts.

Change-Id: I7ecac9603519d91d5708f4eed11af0a9f8a4ce17
Signed-off-by: Mateusz Kulikowski <m.kulikowski@samsung.com>

diff --git a/src/crypto.c b/src/crypto.c
index b77e9a2..af73404 100644 (file)
--- a/src/crypto.c
+++ b/src/crypto.c
@@ -94,8 +94,10 @@ API int yaca_ctx_get_param(const yaca_ctx_h ctx, yaca_ex_param_e param,
 
 API void yaca_ctx_free(yaca_ctx_h ctx)
 {
-       ctx->ctx_destroy(ctx);
-       yaca_free(ctx);
+       if (ctx != YACA_CTX_NULL) {
+               ctx->ctx_destroy(ctx);
+               yaca_free(ctx);
+       }
 }
 
 API int yaca_get_output_length(const yaca_ctx_h ctx, size_t input_len)