wbokslag has uploaded this change for review.

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Fix preventing crashes when -d missing

Small fix that check whether a dumpdir was provided with -d. If not,
no voice data is written to file.

Change-Id: I6a857f62aae542b054cbb474594359da626762bb
---
M src/lower_mac/tetra_lower_mac.c
1 file changed, 2 insertions(+), 2 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-tetra refs/changes/79/41679/1

diff --git a/src/lower_mac/tetra_lower_mac.c b/src/lower_mac/tetra_lower_mac.c
index f8e7810..4775188 100644
--- a/src/lower_mac/tetra_lower_mac.c
+++ b/src/lower_mac/tetra_lower_mac.c
@@ -194,8 +194,8 @@
 	if (tms->cur_burst.is_traffic && type == TPSAP_T_NDB && blk_num == BLK_1)
 		tms->cur_burst.blk1_stolen = true;
 
-	/* If this is a traffic channel, dump. */
-	if (tms->cur_burst.is_traffic && (type == TPSAP_T_SCH_F || (blk_num == BLK_2 && !tms->cur_burst.blk2_stolen))) {
+	/* If this is a traffic channel and we have a dump output directory, dump. */
+	if (tms->cur_burst.is_traffic && (type == TPSAP_T_SCH_F || (blk_num == BLK_2 && !tms->cur_burst.blk2_stolen)) && tms->dumpdir) {
 		char fname[PATH_MAX];
 		int16_t block[690];
 		FILE *f;

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