From 9340c66b75f2aff321fb380bd28bc651e61394c6 Mon Sep 17 00:00:00 2001 From: Frank Morgner Date: Sat, 9 Feb 2013 23:43:12 +0100 Subject: [PATCH] check for NULL pointer --- npa/src/npa.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/npa/src/npa.c b/npa/src/npa.c index bd1776d..88f2096 100644 --- a/npa/src/npa.c +++ b/npa/src/npa.c @@ -1660,6 +1660,10 @@ int perform_terminal_authentication(sc_card_t *card, goto err; } struct iso_sm_ctx *isosmctx = card->sm_ctx.info.cmd_data; + if (!isosmctx->priv_data) { + r = SC_ERROR_INVALID_ARGUMENTS; + goto err; + } struct npa_sm_ctx *eacsmctx = isosmctx->priv_data; @@ -1881,6 +1885,10 @@ int perform_chip_authentication(sc_card_t *card) goto err; } struct iso_sm_ctx *isosmctx = card->sm_ctx.info.cmd_data; + if (!isosmctx->priv_data) { + r = SC_ERROR_INVALID_ARGUMENTS; + goto err; + } struct npa_sm_ctx *eacsmctx = isosmctx->priv_data;