laforge has submitted this change and it was merged. ( 
https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/15752 )

Change subject: ccid_slot_fsm: Avoid segfault on accessing slots 1..7
......................................................................

ccid_slot_fsm: Avoid segfault on accessing slots 1..7

Change-Id: I3e3a20fad64ecbe3ccc50021da314901318b9c1d
---
M ccid_common/ccid_slot_fsm.c
1 file changed, 11 insertions(+), 5 deletions(-)

Approvals:
  Jenkins Builder: Verified
  laforge: Looks good to me, approved



diff --git a/ccid_common/ccid_slot_fsm.c b/ccid_common/ccid_slot_fsm.c
index ce59474..59071de 100644
--- a/ccid_common/ccid_slot_fsm.c
+++ b/ccid_common/ccid_slot_fsm.c
@@ -166,11 +166,13 @@
        struct iso_fsm_slot *ss = ccid_slot2iso_fsm_slot(cs);
        struct card_uart *cuart = talloc_zero(ctx, struct card_uart);
        char id_buf[16];
-       char *devname = "/dev/null";
+       char *devname = NULL;
        int rc;

        LOGPCS(cs, LOGL_DEBUG, "%s\n", __func__);

+       /* HACK: make this in some way configurable so it works both in the 
firmware
+        * and on the host (functionfs) */
        if (cs->slot_nr == 0) {
                cs->icc_present = true;
                devname = "/dev/ttyUSB5";
@@ -180,13 +182,17 @@
                return -ENOMEM;

        snprintf(id_buf, sizeof(id_buf), "SIM%d", cs->slot_nr);
-       rc = card_uart_open(cuart, "tty", devname);
-       if (rc < 0) {
-               talloc_free(cuart);
-               return rc;
+       if (devname) {
+               rc = card_uart_open(cuart, "tty", devname);
+               if (rc < 0) {
+                       LOGPCS(cs, LOGL_ERROR, "Cannot open UART %s: %d\n", 
devname, rc);
+                       talloc_free(cuart);
+                       return rc;
+               }
        }
        ss->fi = iso7816_fsm_alloc(ctx, LOGL_DEBUG, id_buf, cuart, 
iso_fsm_clot_user_cb, ss);
        if (!ss->fi) {
+               LOGPCS(cs, LOGL_ERROR, "Cannot allocate ISO FSM\n");
                talloc_free(cuart);
                return -1;
        }

--
To view, visit https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/15752
To unsubscribe, or for help writing mail filters, visit 
https://gerrit.osmocom.org/settings

Gerrit-Project: osmo-ccid-firmware
Gerrit-Branch: master
Gerrit-Change-Id: I3e3a20fad64ecbe3ccc50021da314901318b9c1d
Gerrit-Change-Number: 15752
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <lafo...@osmocom.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <lafo...@osmocom.org>
Gerrit-MessageType: merged

Reply via email to