[S] Change in osmo-bsc[master]: vgcs_fsm: fix NULL pointer dereference in vgcs_call_fsm_busy()

[fixeria]

fixeria has submitted this change. ( 
https://gerrit.osmocom.org/c/osmo-bsc/+/35334?usp=email )

Change subject: vgcs_fsm: fix NULL pointer dereference in vgcs_call_fsm_busy()
......................................................................

vgcs_fsm: fix NULL pointer dereference in vgcs_call_fsm_busy()

Change-Id: I14ad41bfa1ab3455a6a175cfb05341ca12c8d73e
Fixes: CID#322299
---
M src/osmo-bsc/vgcs_fsm.c
1 file changed, 13 insertions(+), 1 deletion(-)

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




diff --git a/src/osmo-bsc/vgcs_fsm.c b/src/osmo-bsc/vgcs_fsm.c
index 37473c5..1f2bbef 100644
--- a/src/osmo-bsc/vgcs_fsm.c
+++ b/src/osmo-bsc/vgcs_fsm.c
@@ -317,8 +317,10 @@
                break;
        case VGCS_EV_MSC_DTAP:
                LOG_CALL(conn, LOGL_DEBUG, "MSC sends DTAP message to 
talker.\n");
-               if (!conn->vgcs_call.talker)
+               if (!conn->vgcs_call.talker) {
                        msgb_free(data);
+                       break;
+               }
                rc = 
osmo_fsm_inst_dispatch(conn->vgcs_call.talker->vgcs_chan.fi, VGCS_EV_MSC_DTAP, 
data);
                if (rc < 0)
                        msgb_free(data);

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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: I14ad41bfa1ab3455a6a175cfb05341ca12c8d73e
Gerrit-Change-Number: 35334
Gerrit-PatchSet: 1
Gerrit-Owner: fixeria <vyanits...@sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <vyanits...@sysmocom.de>
Gerrit-Reviewer: pespin <pes...@sysmocom.de>
Gerrit-MessageType: merged