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Don't bother to free NULL subcontexts

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This commit is contained in:
Manuel Pégourié-Gonnard
2017-08-23 17:58:40 +02:00
parent bfa1972b4f
commit b948f7dc20
2 changed files with 8 additions and 3 deletions
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6
library/ecp.c
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@ -1989,7 +1989,8 @@ cleanup:
/* clear our sub-context when not in progress (done or error) */
#if defined(MBEDTLS_ECP_RESTARTABLE)
if( rs_ctx != NULL && ret != MBEDTLS_ERR_ECP_IN_PROGRESS )
if( rs_ctx != NULL && rs_ctx->rsm != NULL &&
ret != MBEDTLS_ERR_ECP_IN_PROGRESS )
{
ecp_restart_mul_free( rs_ctx->rsm );
mbedtls_free( rs_ctx->rsm );
@ -2457,7 +2458,8 @@ cleanup:
#if defined(MBEDTLS_ECP_RESTARTABLE)
/* clear our sub-context when not in progress (done or error) */
if( rs_ctx != NULL && ret != MBEDTLS_ERR_ECP_IN_PROGRESS )
if( rs_ctx != NULL && rs_ctx->ma != NULL &&
ret != MBEDTLS_ERR_ECP_IN_PROGRESS )
{
ecp_restart_muladd_free( rs_ctx->ma );
mbedtls_free( rs_ctx->ma );