Commit c1a8a5de authored by Nils Larsch's avatar Nils Larsch
Browse files

don't let BN_CTX_free(NULL) segfault

parent e3d0e0a7

crypto/bn/bn_ctx.c

+4 −0
Original line number Diff line number Diff line
@@ -230,7 +230,10 @@ BN_CTX *BN_CTX_new(void) 


void BN_CTX_free(BN_CTX *ctx)

	{

	if (ctx == NULL)

		return;

#ifdef BN_CTX_DEBUG

	{

	BN_POOL_ITEM *pool = ctx->pool.head;

	fprintf(stderr,"BN_CTX_free, stack-size=%d, pool-bignums=%d\n",

		ctx->stack.size, ctx->pool.size);
@@ -242,6 +245,7 @@ void BN_CTX_free(BN_CTX *ctx) 
		pool = pool->next;

	}

	fprintf(stderr,"\n");

	}

#endif

	BN_STACK_finish(&ctx->stack);

	BN_POOL_finish(&ctx->pool);