[MERGED] libosmocore[master]: lapd_core: Fix crash in lapd_dl_flush_hist()

[Harald Welte]

Harald Welte has submitted this change and it was merged.

Change subject: lapd_core: Fix crash in lapd_dl_flush_hist()
......................................................................


lapd_core: Fix crash in lapd_dl_flush_hist()

When lapd_dl_flush_hist() was called before we actually had started a
transmit history from lapd_dl_init(), we woul segfault before this
patch.

Change-Id: Ifa677c9b335dd2884b4f3e44699d901957a0500b
---
M src/gsm/lapd_core.c
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  Harald Welte: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/src/gsm/lapd_core.c b/src/gsm/lapd_core.c
index fd1e709..fd163c8 100644
--- a/src/gsm/lapd_core.c
+++ b/src/gsm/lapd_core.c
@@ -158,7 +158,7 @@
 {
 	unsigned int i;
 
-	if (!dl->range_hist)
+	if (!dl->range_hist || !dl->tx_hist)
 		return;
 
 	for (i = 0; i < dl->range_hist; i++) {

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Gerrit-MessageType: merged
Gerrit-Change-Id: Ifa677c9b335dd2884b4f3e44699d901957a0500b
Gerrit-PatchSet: 2
Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Owner: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder