From 7250608d53bde316b2649f7b47aad3b3c3ff8bd2 Mon Sep 17 00:00:00 2001
From: internal <>
Date: Mon, 31 Jul 2023 22:07:40 +0200
Subject: [PATCH] fix frontend allocation

---
 lib/ddzap.c     |  2 +-
 lib/src/dddvb.c | 15 +++++++++------
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/lib/ddzap.c b/lib/ddzap.c
index 0ab1358..559cb60 100644
--- a/lib/ddzap.c
+++ b/lib/ddzap.c
@@ -484,7 +484,7 @@ int main(int argc, char **argv)
 	else
 		fe = dddvb_fe_alloc(dd, delsys);
 	if (!fe) {
-	    fprintf(fout,"dddvb_fe_alloc failed\n");
+		fprintf(fout,"dddvb_fe_alloc failed\n");
 		exit(-1);
 	}
 	dddvb_param_init(&p);
diff --git a/lib/src/dddvb.c b/lib/src/dddvb.c
index b011a04..a593101 100644
--- a/lib/src/dddvb.c
+++ b/lib/src/dddvb.c
@@ -30,7 +30,7 @@ LIBDDDVB_EXPORTED struct dddvb_fe *dddvb_fe_alloc_num(struct dddvb *dd, uint32_t
 	pthread_mutex_unlock(&dd->lock);
 	if (dddvb_fe_start(fe) < 0) {
 		dbgprintf(DEBUG_SYS, "fe %d busy\n", fe->nr);
-		return 0;
+		return NULL;
 	}
 	dbgprintf(DEBUG_SYS, "Allocated fe %d = %d/%d, fd=%d\n",
 		  fe->nr, fe->anum, fe->fnum, fe->fd);
@@ -40,22 +40,25 @@ LIBDDDVB_EXPORTED struct dddvb_fe *dddvb_fe_alloc_num(struct dddvb *dd, uint32_t
 LIBDDDVB_EXPORTED struct dddvb_fe *dddvb_fe_alloc(struct dddvb *dd, uint32_t type)
 {
 	int i;
-	struct dddvb_fe *fe = NULL;
+	struct dddvb_fe *fe = NULL, *tfe;
 
 	pthread_mutex_lock(&dd->lock);
 	dbgprintf(DEBUG_SYS, "alloc_fe type %u\n", type);
 	for (i = 0; i < dd->dvbfe_num; i++) {
-		fe = &dd->dvbfe[i];
-		if (fe->state == 0 && 
-		    (fe->type & (1UL << type))) {
+		tfe = &dd->dvbfe[i];
+		if (tfe->state == 0 &&
+		    (tfe->type & (1UL << type))) {
 			fe = dddvb_fe_alloc_num(dd, type, i);
 			if (fe)
 				break;
 		}
 	}
 	pthread_mutex_unlock(&dd->lock);
+	if (!fe)
+		dbgprintf(DEBUG_SYS, "alloc_fe type %u\n failed!", type);
+	else
+		dbgprintf(DEBUG_SYS, "alloc_fe type %u success!\n", type);
 	return fe;
-
 }
 
 LIBDDDVB_EXPORTED int dddvb_dvb_tune(struct dddvb_fe *fe, struct dddvb_params *p)