allow EVP_PKEY_CTX_free(NULL)

0d5ac5a7 · Nils Larsch · c209a358 · 0d5ac5a7
隐藏空白更改
内联并排

Showing with 2 addition and 0 deletion

crypto/evp/pmeth_lib.c crypto/evp/pmeth_lib.c +2 -0

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--- a/crypto/evp/pmeth_lib.c
+++ b/crypto/evp/pmeth_lib.c
@@ -289,6 +289,8 @@ int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
 	{
+	if (ctx == NULL)
+		return;
 	if (ctx->pmeth && ctx->pmeth->cleanup)
 		ctx->pmeth->cleanup(ctx);
 	if (ctx->pkey)